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Btrfs: fix page leakage

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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 <dave@jikos.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Josef Bacik 2012-10-05 16:53:34 -04:00 committed by Chris Mason
parent 4804b38293
commit f60b1b49f6
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/extent_io.c
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@ -4104,7 +4104,7 @@ struct extent_buffer *alloc_dummy_extent_buffer(u64 start, unsigned long len)
return eb; return eb;
err: err:
for (i--; i > 0; i--) for (i--; i >= 0; i--)
__free_page(eb->pages[i]); __free_page(eb->pages[i]);
__free_extent_buffer(eb); __free_extent_buffer(eb);
return NULL; return NULL;