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Fixed nonexistent checking of lock types for F_GETLK.

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Found by:	NIST-PCTS
This commit is contained in:
Bruce Evans 1996-12-19 19:59:51 +00:00
parent bb65f5a1cc
commit b8b6f5017f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=20692
1 changed files with 4 additions and 1 deletions
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5
sys/kern/kern_descrip.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)kern_descrip.c 8.6 (Berkeley) 4/19/94
* $Id: kern_descrip.c,v 1.32 1996/09/28 16:33:21 bde Exp $
* $Id: kern_descrip.c,v 1.33 1996/12/19 19:41:35 bde Exp $
*/
#include <sys/param.h>
@ -322,6 +322,9 @@ fcntl(p, uap, retval)
error = copyin((caddr_t)uap->arg, (caddr_t)&fl, sizeof (fl));
if (error)
return (error);
if (fl.l_type != F_RDLCK && fl.l_type != F_WRLCK &&
fl.l_type != F_UNLCK)
return (EINVAL);
if (fl.l_whence == SEEK_CUR)
fl.l_start += fp->f_offset;
if ((error = VOP_ADVLOCK(vp,(caddr_t)p,F_GETLK,&fl,F_POSIX)))