[PATCH 3.10 118/268] apparmor: don't check for vmalloc_addr if kvzalloc() failed

Willy Tarreau
2017-06-19T18:45:28Z

From: John Johansen <john.johansen@canonical.com>

commit 3197f5adf539a3ee6331f433a51483f8c842f890 upstream.

Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
---
security/apparmor/match.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/security/apparmor/match.c b/security/apparmor/match.c
index 630f325..10d824b 100644
--- a/security/apparmor/match.c
+++ b/security/apparmor/match.c
@@ -73,14 +73,14 @@ static struct table_header *unpack_table(char *blob, size_t bsize)
u32, be32_to_cpu);
else
goto fail;
+ /* if table was vmalloced make sure the page tables are synced
+ * before it is used, as it goes live to all cpus.
+ */
+ if (is_vmalloc_addr(table))
+ vm_unmap_aliases();
}

out:
- /* if table was vmalloced make sure the page tables are synced
- * before it is used, as it goes live to all cpus.
- */
- if (is_vmalloc_addr(table))
- vm_unmap_aliases();
return table;
fail:
kvfree(table);
--
2.8.0.rc2.1.gbe9624a