summaryrefslogtreecommitdiffstats
path: root/mm/swapfile.c
diff options
context:
space:
mode:
authorJohn W. Linville <linville@tuxdriver.com>2012-04-12 19:49:28 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-04-12 19:49:28 +0200
commit8065248069097dddf9945acfb2081025e9618c16 (patch)
treeeddf3fb0372ba0f65c01382d386942ea8d18932d /mm/swapfile.c
parentrt2x00: do not generate seqno in h/w if QOS is disabled (diff)
parentNFC: Fix the LLCP Tx fragmentation loop (diff)
downloadlinux-8065248069097dddf9945acfb2081025e9618c16.tar.xz
linux-8065248069097dddf9945acfb2081025e9618c16.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'mm/swapfile.c')
-rw-r--r--mm/swapfile.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c
index dae42f380d6e..fafc26d1b1dc 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2022,6 +2022,9 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
struct page *page = NULL;
struct inode *inode = NULL;
+ if (swap_flags & ~SWAP_FLAGS_VALID)
+ return -EINVAL;
+
if (!capable(CAP_SYS_ADMIN))
return -EPERM;