Alloc_dummy_extent_buffer will not free the first page in the eb array if we fail to allocate a page, fix this. Thanks,
Reported-by: David Sterba <[email protected]> Signed-off-by: Josef Bacik <[email protected]> --- fs/btrfs/extent_io.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 7dc69b3..64dc93f 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4104,7 +4104,7 @@ struct extent_buffer *alloc_dummy_extent_buffer(u64 start, unsigned long len) return eb; err: - for (i--; i > 0; i--) + for (i--; i >= 0; i--) __free_page(eb->pages[i]); __free_extent_buffer(eb); return NULL; -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
