redonkable/alistair23-linux
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[XFS] Catch errors returned from xfs_bmap_last_offset().

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xfs_bmap_last_offset() can fail and return an error.
xfs_iomap_write_allocate() fails to detect and propagate the error.

SGI-PV: 980084
SGI-Modid: xfs-linux-melb:xfs-kern:30802a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
David Chinner 2008-04-10 12:21:59 +10:00 committed by Lachlan McIlroy
parent fc6149d8d9
commit 7c9ef85c56
1 changed files with 5 additions and 2 deletions
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7
fs/xfs/xfs_iomap.c
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@ -802,8 +802,11 @@ xfs_iomap_write_allocate(
*/
nimaps = 1;
end_fsb = XFS_B_TO_FSB(mp, ip->i_size);
xfs_bmap_last_offset(NULL, ip, &last_block,
XFS_DATA_FORK);
error = xfs_bmap_last_offset(NULL, ip, &last_block,
XFS_DATA_FORK);
if (error)
goto trans_cancel;
last_block = XFS_FILEOFF_MAX(last_block, end_fsb);
if ((map_start_fsb + count_fsb) > last_block) {
count_fsb = last_block - map_start_fsb;