linux-kernel - [PATCH 3.10 118/268] apparmor: don't check for vmalloc

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Date:   Mon, 19 Jun 2017 20:30:17 +0200
From:   Willy Tarreau <w@....eu>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        linux@...ck-us.net
Cc:     John Johansen <john.johansen@...onical.com>,
        Willy Tarreau <w@....eu>
Subject: [PATCH 3.10 118/268] apparmor: don't check for vmalloc_addr if kvzalloc() failed

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

commit 3197f5adf539a3ee6331f433a51483f8c842f890 upstream.

Signed-off-by: John Johansen <john.johansen@...onical.com>
Signed-off-by: Willy Tarreau <w@....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