Simplify kern_readlink_vp().
When we detected that the vnode is not symlink, return immediately. This moves the readlink code out of else branch and unindents it. Sponsored by: The FreeBSD Foundation MFC after: 1 week
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978f879483
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18519f1583
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=341712
@ -2539,20 +2539,19 @@ kern_readlink_vp(struct vnode *vp, char *buf, enum uio_seg bufseg, size_t count,
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return (error);
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#endif
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if (vp->v_type != VLNK && (vp->v_vflag & VV_READLINK) == 0)
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error = EINVAL;
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else {
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aiov.iov_base = buf;
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aiov.iov_len = count;
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auio.uio_iov = &aiov;
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auio.uio_iovcnt = 1;
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auio.uio_offset = 0;
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auio.uio_rw = UIO_READ;
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auio.uio_segflg = bufseg;
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auio.uio_td = td;
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auio.uio_resid = count;
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error = VOP_READLINK(vp, &auio, td->td_ucred);
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td->td_retval[0] = count - auio.uio_resid;
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}
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return (EINVAL);
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aiov.iov_base = buf;
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aiov.iov_len = count;
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auio.uio_iov = &aiov;
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auio.uio_iovcnt = 1;
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auio.uio_offset = 0;
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auio.uio_rw = UIO_READ;
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auio.uio_segflg = bufseg;
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auio.uio_td = td;
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auio.uio_resid = count;
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error = VOP_READLINK(vp, &auio, td->td_ucred);
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td->td_retval[0] = count - auio.uio_resid;
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return (error);
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}
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