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btrfs-progs: handle memory allocation error in __alloc_extent_buffer

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Drop the BUG() as all callers handle errors.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-07-28 02:04:30 +02:00
parent 002812542c
commit 02e22dbc1c
1 changed files with 2 additions and 4 deletions
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6
extent_io.c
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@ -540,10 +540,8 @@ static struct extent_buffer *__alloc_extent_buffer(struct extent_io_tree *tree,
struct extent_buffer *eb;
eb = calloc(1, sizeof(struct extent_buffer) + blocksize);
if (!eb) {
BUG();
if (!eb)
return NULL;
}
eb->start = bytenr;
eb->len = blocksize;
@ -564,7 +562,7 @@ struct extent_buffer *btrfs_clone_extent_buffer(struct extent_buffer *src)
struct extent_buffer *new;
new = __alloc_extent_buffer(NULL, src->start, src->len);
if (new == NULL)
if (!new)
return NULL;
copy_extent_buffer(new, src, 0, 0, src->len);