svn commit: r226223 - stable/7/sys/dev/ips

[Christian Brueffer]

Author: brueffer
Date: Mon Oct 10 17:39:58 2011
New Revision: 226223
URL: http://svn.freebsd.org/changeset/base/226223

Log:
  MFC: r198329
  
  Check pointer for NULL before dereferencing it, not after.

Modified:
  stable/7/sys/dev/ips/ips_disk.c
Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/cddl/contrib/opensolaris/   (props changed)
  stable/7/sys/contrib/dev/acpica/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/dev/ips/ips_disk.c
==============================================================================
--- stable/7/sys/dev/ips/ips_disk.c	Mon Oct 10 16:31:18 2011	(r226222)
+++ stable/7/sys/dev/ips/ips_disk.c	Mon Oct 10 17:39:58 2011	(r226223)
@@ -192,10 +192,10 @@ ipsd_dump(void *arg, void *virtual, vm_o
 
 	dp = arg;
 	dsc = dp->d_drv1;
-	sc = dsc->sc;
 
 	if (dsc == NULL)
 		return (EINVAL);
+	sc = dsc->sc;
 
 	if (ips_get_free_cmd(sc, &command, 0) != 0) {
 		printf("ipsd: failed to get cmd for dump\n");