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Linux: Handle llseek failure

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If llseek fails, then we return immediately, potentially leaving the
wrong address space configured for this process, and without resetting
the processes saved limits.

Fix this by creating a common exit point for osi_rdwr, and using it.

Change-Id: Ifff8cb0155f92a4130d21828d5ee2d2a55c09195
Reviewed-on: http://gerrit.openafs.org/1155
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
This commit is contained in:
Simon Wilkinson 2010-01-25 00:02:11 +00:00 committed by Derrick Brashear
parent a16e6f3964
commit 7a5cee30cc
1 changed files with 3 additions and 1 deletions
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4
src/afs/LINUX/osi_file.c
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@ -387,7 +387,8 @@ osi_rdwr(struct osi_file *osifile, uio_t * uiop, int rw)
/* seek to the desired position. Return -1 on error. */
if (filp->f_op->llseek) {
if (filp->f_op->llseek(filp, (loff_t) uiop->uio_offset, 0) != uiop->uio_offset)
return -1;
code = -1;
goto out;
} else
filp->f_pos = uiop->uio_offset;
@ -425,6 +426,7 @@ osi_rdwr(struct osi_file *osifile, uio_t * uiop, int rw)
code = 0;
}
out:
if (uiop->uio_seg == AFS_UIOSYS)
TO_KERNEL_SPACE();