Fixed following findings reported by cppcheck
* avr910.c:625 (error) Possible null pointer dereference: cmd - otherwise it is redundant to check if cmd is null at line 624 * avr910.c:626 (error) Possible null pointer dereference: cmd - otherwise it is redundant to check if cmd is null at line 624 * avr910.c:168 (information) The scope of the variable 'devtype_1st' can be reduced * avr910.c:169 (information) The scope of the variable 'dev_supported' can be reduced * avrftdi.c:647 (error) Using sizeof for array given as function argument returns the size of pointer. * stk500v2.c:3347 (error) Memory leak: b * stk500v2.c:3452 (error) Memory leak: b * usbasp.c:554 (error) Using sizeof for array given as function argument returns the size of pointer. * usbasp.c:485 (information) The scope of the variable 'dly' can be reduced git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1035 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
rliebscher
parent
1c7843a191
commit
9ccde79fde
13
ChangeLog
13
ChangeLog
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@ -1,3 +1,16 @@
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2012-01-08 Rene Liebscher <R.Liebscher@gmx.de>
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Fixed following findings reported by cppcheck
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* avr910.c:625 (error) Possible null pointer dereference: cmd - otherwise it is redundant to check if cmd is null at line 624
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* avr910.c:626 (error) Possible null pointer dereference: cmd - otherwise it is redundant to check if cmd is null at line 624
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* avr910.c:168 (information) The scope of the variable 'devtype_1st' can be reduced
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* avr910.c:169 (information) The scope of the variable 'dev_supported' can be reduced
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* avrftdi.c:647 (error) Using sizeof for array given as function argument returns the size of pointer.
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* stk500v2.c:3347 (error) Memory leak: b
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* stk500v2.c:3452 (error) Memory leak: b
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* usbasp.c:554 (error) Using sizeof for array given as function argument returns the size of pointer.
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* usbasp.c:485 (information) The scope of the variable 'dly' can be reduced
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2012-01-03 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
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Reported by Jason Kotzin:
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10
avr910.c
10
avr910.c
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@ -165,8 +165,7 @@ static int avr910_initialize(PROGRAMMER * pgm, AVRPART * p)
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char hw[2];
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char buf[10];
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char type;
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char c, devtype_1st;
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int dev_supported = 0;
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char c;
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AVRPART * part;
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/* Get the programmer identifier. Programmer returns exactly 7 chars
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@ -223,6 +222,8 @@ static int avr910_initialize(PROGRAMMER * pgm, AVRPART * p)
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}
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if (PDATA(pgm)->devcode == 0) {
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char devtype_1st;
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int dev_supported = 0;
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/* Get list of devices that the programmer supports. */
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@ -614,14 +615,15 @@ static int avr910_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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unsigned int blocksize = PDATA(pgm)->buffersize;
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if (strcmp(m->desc, "flash") && strcmp(m->desc, "eeprom"))
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rval = -2;
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return -2;
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if (m->desc[0] == 'e')
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blocksize = 1; /* Write to eeprom single bytes only */
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avr910_set_addr(pgm, addr);
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cmd = malloc(4 + blocksize);
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if (!cmd) rval = -1;
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if (!cmd) return -1;
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cmd[0] = 'B';
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cmd[3] = toupper((int)(m->desc[0]));
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@ -46,11 +46,11 @@ int usleep(unsigned int us);
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#if !defined(HAVE_GETTIMEOFDAY)
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struct timezone;
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int gettimeofday(struct timeval *tv, struct timezone *tz);
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#endif /* HAVE_GETTIMEOFDAY */
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAVE_GETTIMEOFDAY */
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#endif /* defined(WIN32NATIVE) */
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#endif
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@ -644,7 +644,9 @@ static void avrftdi_display(PROGRAMMER * pgm, const char *p)
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static int avrftdi_cmd(PROGRAMMER * pgm, unsigned char cmd[4], unsigned char res[4])
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{
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return avrftdi_transmit(TRX, cmd, res, sizeof(cmd));
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/* Do not use 'sizeof(cmd)'. => message from cppcheck:
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Using sizeof for array given as function argument returns the size of pointer. */
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return avrftdi_transmit(TRX, cmd, res, 4);
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}
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12
stk500v2.c
12
stk500v2.c
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@ -3343,8 +3343,10 @@ static int stk600_xprog_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
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return -1;
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}
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if (stk500v2_loadaddr(pgm, use_ext_addr) < 0)
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if (stk500v2_loadaddr(pgm, use_ext_addr) < 0) {
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free(b);
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return -1;
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}
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while (n_bytes != 0) {
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b[0] = XPRG_CMD_READ_MEM;
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@ -3359,6 +3361,7 @@ static int stk600_xprog_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
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fprintf(stderr,
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"%s: stk600_xprog_paged_load(): XPRG_CMD_READ_MEM failed\n",
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progname);
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free(b);
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return -1;
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}
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memcpy(mem->buf + offset, b + 2, page_size);
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@ -3448,8 +3451,10 @@ static int stk600_xprog_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
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return -1;
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}
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if (stk500v2_loadaddr(pgm, use_ext_addr) < 0)
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if (stk500v2_loadaddr(pgm, use_ext_addr) < 0) {
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free(b);
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return -1;
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}
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while (n_bytes != 0) {
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if (page_size > 256) {
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@ -3466,6 +3471,7 @@ static int stk600_xprog_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
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fprintf(stderr,
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"%s: stk600_xprog_paged_write(): page size not multiple of 256\n",
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progname);
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free(b);
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return -1;
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}
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unsigned int chunk;
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@ -3494,6 +3500,7 @@ static int stk600_xprog_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
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fprintf(stderr,
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"%s: stk600_xprog_paged_write(): XPRG_CMD_WRITE_MEM failed\n",
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progname);
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free(b);
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return -1;
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}
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if (n_bytes < 256)
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@ -3528,6 +3535,7 @@ static int stk600_xprog_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
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fprintf(stderr,
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"%s: stk600_xprog_paged_write(): XPRG_CMD_WRITE_MEM failed\n",
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progname);
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free(b);
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return -1;
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}
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if (n_bytes < page_size)
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7
usbasp.c
7
usbasp.c
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@ -482,7 +482,6 @@ static void usbasp_display(PROGRAMMER * pgm, const char * p)
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/* Universal functions: for both SPI and TPI */
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static int usbasp_initialize(PROGRAMMER * pgm, AVRPART * p)
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{
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int dly;
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unsigned char temp[4];
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unsigned char res[4];
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IMPORT_PDATA(pgm);
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@ -500,7 +499,7 @@ static int usbasp_initialize(PROGRAMMER * pgm, AVRPART * p)
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if(pdata->use_tpi)
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{
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/* calc tpiclk delay */
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dly = 1500000.0 * pgm->bitclock;
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int dly = 1500000.0 * pgm->bitclock;
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if(dly < 1)
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dly = 1;
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else if(dly > 2047)
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@ -550,8 +549,10 @@ static int usbasp_initialize(PROGRAMMER * pgm, AVRPART * p)
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static int usbasp_spi_cmd(PROGRAMMER * pgm, unsigned char cmd[4],
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unsigned char res[4])
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{
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/* Do not use 'sizeof(res)'. => message from cppcheck:
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Using sizeof for array given as function argument returns the size of pointer. */
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int nbytes =
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usbasp_transmit(pgm, 1, USBASP_FUNC_TRANSMIT, cmd, res, sizeof(res));
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usbasp_transmit(pgm, 1, USBASP_FUNC_TRANSMIT, cmd, res, 4);
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if(nbytes != 4){
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fprintf(stderr, "%s: error: wrong responds size\n",
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