| Message ID | 20161102032527.62311-1-nickrterrell@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
On Tue, Nov 01, 2016 at 08:25:27PM -0700, Nick Terrell wrote: > 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> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c index 88d274e..30e19c9 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)) { printk(KERN_WARNING "BTRFS: inflateInit failed\n"); + kunmap(pages_in[page_in_index]); return -EIO; } while (workspace->strm.total_in < srclen) {
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> --- fs/btrfs/zlib.c | 1 + 1 file changed, 1 insertion(+)