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Fix the same bug as in procfs_doproc{,db}regs(): check that uio_offset is

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0 upon entry, and don't reset it before returning.

MFC after:	3 weeks
This commit is contained in:
Dag-Erling Smørgrav 2007-04-15 13:29:36 +00:00
parent 66cd74a611
commit 302762c344
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=168759
1 changed files with 3 additions and 1 deletions
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4
sys/fs/procfs/procfs_fpregs.c
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@ -89,6 +89,9 @@ procfs_doprocfpregs(PFS_FILL_ARGS)
int wrap32 = 0;
#endif
if (uio->uio_offset != 0)
return (0);
PROC_LOCK(p);
KASSERT(p->p_lock > 0, ("proc not held"));
if (p_candebug(td, p)) {
@ -122,6 +125,5 @@ procfs_doprocfpregs(PFS_FILL_ARGS)
}
PROC_UNLOCK(p);
uio->uio_offset = 0;
return (error);
}