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| author | David Rientjes <rientjes@google.com> | 2017-09-08 16:13:29 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-08 18:26:47 -0700 |
| commit | b6b1fd2a6bedd533aeed83924d7be0e944fded9f (patch) | |
| tree | 406e66f717c827dd6c67d9953a9e7bfefb9c9278 /mm | |
| parent | 8606a1a94da5c4e49c0fb28af62d2e75c6747716 (diff) | |
| download | linux-b6b1fd2a6bedd533aeed83924d7be0e944fded9f.tar.gz linux-b6b1fd2a6bedd533aeed83924d7be0e944fded9f.tar.bz2 linux-b6b1fd2a6bedd533aeed83924d7be0e944fded9f.zip | |
mm/swapfile.c: fix swapon frontswap_map memory leak on error
Free frontswap_map if an error is encountered before enable_swap_info().
Signed-off-by: David Rientjes <rientjes@google.com>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org> [4.12+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/swapfile.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index 12251d386dc7..bf91dc9e7a79 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -3291,6 +3291,7 @@ bad_swap: spin_unlock(&swap_lock); vfree(swap_map); kvfree(cluster_info); + kvfree(frontswap_map); if (swap_file) { if (inode && S_ISREG(inode->i_mode)) { inode_unlock(inode); |