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The auio structure is only initialized when the vnode is symlink,

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avoid reading from it otherwise.

Submitted by:	Conrad Meyer <cemeyer@uw.edu>
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2014-03-12 10:23:51 +00:00
parent b0cba3367e
commit 9d2437a6f5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=263079
1 changed files with 1 additions and 1 deletions
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2
sys/kern/vfs_syscalls.c
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@ -2553,9 +2553,9 @@ kern_readlinkat(struct thread *td, int fd, char *path, enum uio_seg pathseg,
auio.uio_td = td;
auio.uio_resid = count;
error = VOP_READLINK(vp, &auio, td->td_ucred);
td->td_retval[0] = count - auio.uio_resid;
}
vput(vp);
td->td_retval[0] = count - auio.uio_resid;
return (error);
}