3.11.10.9 -stable review patch. If anyone has any objections, please let me
know.
------------------
From: Dan Carpenter <dan.carpen...@oracle.com>
commit 47ba9734403770a4c5e685b01f0a72b835dd4fff upstream.
This patch moves the dereference of "buffer" after the check for NULL.
The only place which passes a NULL parameter is gfs2_set_acl().
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Steven Whitehouse <swhit...@redhat.com>
[ luis: backported to 3.11:
- posix_acl_to_xattr() is defined in xattr_acl.c, not in posix_acl.c ]
Signed-off-by: Luis Henriques <luis.henriq...@canonical.com>
---
fs/xattr_acl.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/xattr_acl.c b/fs/xattr_acl.c
index 9fbea87..cd1147c 100644
--- a/fs/xattr_acl.c
+++ b/fs/xattr_acl.c
@@ -146,7 +146,7 @@ posix_acl_to_xattr(struct user_namespace *user_ns, const
struct posix_acl *acl,
void *buffer, size_t size)
{
posix_acl_xattr_header *ext_acl = (posix_acl_xattr_header *)buffer;
- posix_acl_xattr_entry *ext_entry = ext_acl->a_entries;
+ posix_acl_xattr_entry *ext_entry;
int real_size, n;
real_size = posix_acl_xattr_size(acl->a_count);
@@ -154,7 +154,8 @@ posix_acl_to_xattr(struct user_namespace *user_ns, const
struct posix_acl *acl,
return real_size;
if (real_size > size)
return -ERANGE;
-
+
+ ext_entry = ext_acl->a_entries;
ext_acl->a_version = cpu_to_le32(POSIX_ACL_XATTR_VERSION);
for (n=0; n < acl->a_count; n++, ext_entry++) {
--
1.9.1
--
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