aboutsummaryrefslogtreecommitdiffstats
path: root/fs/exec.c
diff options
context:
space:
mode:
authorAnton Blanchard <anton@samba.org>2009-11-11 14:26:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-11-12 07:25:58 -0800
commitfc63cf237078c86214abcb2ee9926d8ad289da9b (patch)
tree3af8571390aec334b7f47c08ba0cff0a72d6fbb3 /fs/exec.c
parent93f40e6f1493ae0c1e04760b221c125ef5e47205 (diff)
downloadmrst-s0i3-test-fc63cf237078c86214abcb2ee9926d8ad289da9b.tar.gz
mrst-s0i3-test-fc63cf237078c86214abcb2ee9926d8ad289da9b.tar.xz
mrst-s0i3-test-fc63cf237078c86214abcb2ee9926d8ad289da9b.zip
exec: setup_arg_pages() fails to return errors
In setup_arg_pages we work hard to assign a value to ret, but on exit we always return 0. Also remove a now duplicated exit path and branch to out_unlock instead. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Serge Hallyn <serue@us.ibm.com> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/exec.c')
-rw-r--r--fs/exec.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/exec.c b/fs/exec.c
index d49be6bc179..ba112bd4a33 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -624,10 +624,8 @@ int setup_arg_pages(struct linux_binprm *bprm,
/* Move stack pages down in memory. */
if (stack_shift) {
ret = shift_arg_pages(vma, stack_shift);
- if (ret) {
- up_write(&mm->mmap_sem);
- return ret;
- }
+ if (ret)
+ goto out_unlock;
}
#ifdef CONFIG_STACK_GROWSUP
@@ -641,7 +639,7 @@ int setup_arg_pages(struct linux_binprm *bprm,
out_unlock:
up_write(&mm->mmap_sem);
- return 0;
+ return ret;
}
EXPORT_SYMBOL(setup_arg_pages);