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Subject[PATCH 2/2] groups: Simplify struct group_info allocation
Date
Combine kmalloc and vmalloc into a single call.
Use struct_size macro instead of direct size calculation.

Signed-off-by: Hubert Jasudowicz <hubert.jasudowicz@gmail.com>
---
kernel/groups.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/kernel/groups.c b/kernel/groups.c
index fe7e6385530e..787b381c7c00 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -15,12 +15,7 @@
struct group_info *groups_alloc(int gidsetsize)
{
struct group_info *gi;
- unsigned int len;
-
- len = sizeof(struct group_info) + sizeof(kgid_t) * gidsetsize;
- gi = kmalloc(len, GFP_KERNEL_ACCOUNT|__GFP_NOWARN|__GFP_NORETRY);
- if (!gi)
- gi = __vmalloc(len, GFP_KERNEL_ACCOUNT);
+ gi = kvmalloc(struct_size(gi, gid, gidsetsize), GFP_KERNEL_ACCOUNT);
if (!gi)
return NULL;

--
2.30.0
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