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btrfs: fix lost return value due to variable shadowing 

commit 1932b7be973b554ffe20a5bba6ffaed6fa995cdc upstream.

A block-local variable stores error code but btrfs_get_blocks_direct may
not return it in the end as there's a ret defined in the function scope.

Fixes: d187663ef2 ("Btrfs: lock extents as we map them in DIO")
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Sterba 2015-02-24 18:57:18 +01:00 committed by Greg Kroah-Hartman
parent b5e10b06c5
commit a042770a1f
1 changed files with 0 additions and 1 deletions
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fs/btrfs/inode.c
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@ -6825,7 +6825,6 @@ static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
((BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW) &&
em->block_start != EXTENT_MAP_HOLE)) {
int type;
int ret;
u64 block_start, orig_start, orig_block_len, ram_bytes;
if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags))