summaryrefslogtreecommitdiff
path: root/fs/btrfs/zlib.c
diff options
context:
space:
mode:
authorNick Terrell <nickrterrell@gmail.com>2016-11-02 06:25:27 +0300
committerDavid Sterba <dsterba@suse.com>2016-11-30 15:45:18 +0300
commitd1111a75479d52046d8a71eb3b071581ee55489a (patch)
tree82cf101f8f6610d0906a4b296723b674f1806a36 /fs/btrfs/zlib.c
parented0df618b1b06d7431ee4d985317fc5419a5d559 (diff)
downloadlinux-d1111a75479d52046d8a71eb3b071581ee55489a.tar.xz
btrfs: Call kunmap if zlib_inflateInit2 fails
If zlib_inflateInit2 fails, the input page is never unmapped. Add a call to kunmap when it fails. Signed-off-by: Nick Terrell <nickrterrell@gmail.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/zlib.c')
-rw-r--r--fs/btrfs/zlib.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c
index 441b81a3e545..0ed90ccd81eb 100644
--- a/fs/btrfs/zlib.c
+++ b/fs/btrfs/zlib.c
@@ -250,6 +250,7 @@ static int zlib_decompress_biovec(struct list_head *ws, struct page **pages_in,
if (Z_OK != zlib_inflateInit2(&workspace->strm, wbits)) {
pr_warn("BTRFS: inflateInit failed\n");
+ kunmap(pages_in[page_in_index]);
return -EIO;
}
while (workspace->strm.total_in < srclen) {