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-rw-r--r--ipc/sem.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/ipc/sem.c b/ipc/sem.c
index a188d1b064ea..7da4504bcc7c 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -488,18 +488,14 @@ static inline void sem_rmid(struct ipc_namespace *ns, struct sem_array *s)
static struct sem_array *sem_alloc(size_t nsems)
{
struct sem_array *sma;
- size_t size;
if (nsems > (INT_MAX - sizeof(*sma)) / sizeof(sma->sems[0]))
return NULL;
- size = sizeof(*sma) + nsems * sizeof(sma->sems[0]);
- sma = kvmalloc(size, GFP_KERNEL);
+ sma = kvzalloc(struct_size(sma, sems, nsems), GFP_KERNEL);
if (unlikely(!sma))
return NULL;
- memset(sma, 0, size);
-
return sma;
}