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| author |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-08-19 10:42:23 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-08-19 10:48:49 +0200 |
| commit | 42cfc6b590c5eb7ae3c1de89594f8f2193ecbc97 (patch) | |
| tree | 80a1a9d8cf2e35b27b494d501058aeefafc3705c /drivers/s390/block/dcssblk.c | |
| parent | s390/mm: simplify page table alloc/free code (diff) | |
| download | linux-dev-42cfc6b590c5eb7ae3c1de89594f8f2193ecbc97.tar.xz linux-dev-42cfc6b590c5eb7ae3c1de89594f8f2193ecbc97.zip | |
s390/dcssblk: correct out of bounds array indexes
Fix a couple of warnings like this:
[linux-4.2-rc7/drivers/s390/block/dcssblk.c:553]:
(style) Array index 'j' is used before limits check.
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/s390/block/dcssblk.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index da212813f2d5..dff3fcb69a78 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -548,10 +548,10 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char */ num_of_segments = 0; for (i = 0; (i < count && (buf[i] != '\0') && (buf[i] != '\n')); i++) { - for (j = i; (buf[j] != ':') && + for (j = i; j < count && + (buf[j] != ':') && (buf[j] != '\0') && - (buf[j] != '\n') && - j < count; j++) { + (buf[j] != '\n'); j++) { local_buf[j-i] = toupper(buf[j]); } local_buf[j-i] = '\0'; @@ -723,7 +723,7 @@ dcssblk_remove_store(struct device *dev, struct device_attribute *attr, const ch /* * parse input */ - for (i = 0; ((*(buf+i)!='\0') && (*(buf+i)!='\n') && i < count); i++) { + for (i = 0; (i < count && (*(buf+i)!='\0') && (*(buf+i)!='\n')); i++) { local_buf[i] = toupper(buf[i]); } local_buf[i] = '\0'; @@ -904,10 +904,10 @@ dcssblk_check_params(void) for (i = 0; (i < DCSSBLK_PARM_LEN) && (dcssblk_segments[i] != '\0'); i++) { - for (j = i; (dcssblk_segments[j] != ',') && + for (j = i; (j < DCSSBLK_PARM_LEN) && + (dcssblk_segments[j] != ',') && (dcssblk_segments[j] != '\0') && - (dcssblk_segments[j] != '(') && - (j < DCSSBLK_PARM_LEN); j++) + (dcssblk_segments[j] != '('); j++) { buf[j-i] = dcssblk_segments[j]; } |