diff options
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/dm-raid1.c | 3 | ||||
-rw-r--r-- | drivers/md/dm-stripe.c | 4 | ||||
-rw-r--r-- | drivers/md/dm.h | 9 |
3 files changed, 2 insertions, 14 deletions
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 29913e42c4ab..ecfd82169cb3 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c | |||
@@ -1315,9 +1315,6 @@ static struct mirror_set *alloc_context(unsigned int nr_mirrors, | |||
1315 | size_t len; | 1315 | size_t len; |
1316 | struct mirror_set *ms = NULL; | 1316 | struct mirror_set *ms = NULL; |
1317 | 1317 | ||
1318 | if (array_too_big(sizeof(*ms), sizeof(ms->mirror[0]), nr_mirrors)) | ||
1319 | return NULL; | ||
1320 | |||
1321 | len = sizeof(*ms) + (sizeof(ms->mirror[0]) * nr_mirrors); | 1318 | len = sizeof(*ms) + (sizeof(ms->mirror[0]) * nr_mirrors); |
1322 | 1319 | ||
1323 | ms = kzalloc(len, GFP_KERNEL); | 1320 | ms = kzalloc(len, GFP_KERNEL); |
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index b745d8ac625b..287e24584730 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c | |||
@@ -60,8 +60,8 @@ static inline struct stripe_c *alloc_context(unsigned int stripes) | |||
60 | { | 60 | { |
61 | size_t len; | 61 | size_t len; |
62 | 62 | ||
63 | if (array_too_big(sizeof(struct stripe_c), sizeof(struct stripe), | 63 | if (dm_array_too_big(sizeof(struct stripe_c), sizeof(struct stripe), |
64 | stripes)) | 64 | stripes)) |
65 | return NULL; | 65 | return NULL; |
66 | 66 | ||
67 | len = sizeof(struct stripe_c) + (sizeof(struct stripe) * stripes); | 67 | len = sizeof(struct stripe_c) + (sizeof(struct stripe) * stripes); |
diff --git a/drivers/md/dm.h b/drivers/md/dm.h index cd189da2b2fa..0ade60cdef42 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h | |||
@@ -62,15 +62,6 @@ void dm_put_target_type(struct target_type *t); | |||
62 | int dm_target_iterate(void (*iter_func)(struct target_type *tt, | 62 | int dm_target_iterate(void (*iter_func)(struct target_type *tt, |
63 | void *param), void *param); | 63 | void *param), void *param); |
64 | 64 | ||
65 | /*----------------------------------------------------------------- | ||
66 | * Useful inlines. | ||
67 | *---------------------------------------------------------------*/ | ||
68 | static inline int array_too_big(unsigned long fixed, unsigned long obj, | ||
69 | unsigned long num) | ||
70 | { | ||
71 | return (num > (ULONG_MAX - fixed) / obj); | ||
72 | } | ||
73 | |||
74 | int dm_split_args(int *argc, char ***argvp, char *input); | 65 | int dm_split_args(int *argc, char ***argvp, char *input); |
75 | 66 | ||
76 | /* | 67 | /* |