Btrfs: Fix wrong error handling code
gcc says "warning: comparison of unsigned expression >= 0 is always
true" because i is an unsigned long. And gcc is right this time.
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 64dc93f..a32ebfe 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4104,8 +4104,8 @@
return eb;
err:
- for (i--; i >= 0; i--)
- __free_page(eb->pages[i]);
+ for (; i > 0; i--)
+ __free_page(eb->pages[i - 1]);
__free_extent_buffer(eb);
return NULL;
}