svn commit: r299849 - head/sys/dev/isp

[Edward Tomasz Napierala]

Author: trasz
Date: Sun May 15 08:36:12 2016
New Revision: 299849
URL: https://svnweb.freebsd.org/changeset/base/299849

Log:
  Remove NULL checks after M_WAITOK allocations from isp(4).
  
  MFC after:	1 month
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/dev/isp/isp_pci.c
  head/sys/dev/isp/isp_sbus.c

Modified: head/sys/dev/isp/isp_pci.c
==============================================================================
--- head/sys/dev/isp/isp_pci.c	Sun May 15 08:34:59 2016	(r299848)
+++ head/sys/dev/isp/isp_pci.c	Sun May 15 08:36:12 2016	(r299849)
@@ -1593,11 +1593,6 @@ isp_pci_mbxdma(ispsoftc_t *isp)
 
 	len = isp->isp_maxcmds * sizeof (struct isp_pcmd);
 	isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
-	if (isp->isp_osinfo.pcmd_pool == NULL) {
-		isp_prt(isp, ISP_LOGERR, "cannot allocate pcmds");
-		ISP_LOCK(isp);
-		return (1);
-	}
 
 	if (isp->isp_osinfo.sixtyfourbit) {
 		nsegs = ISP_NSEG64_MAX;
@@ -1614,12 +1609,6 @@ isp_pci_mbxdma(ispsoftc_t *isp)
 
 	len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
 	isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
-	if (isp->isp_xflist == NULL) {
-		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
-		ISP_LOCK(isp);
-		isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
-		return (1);
-	}
 	for (len = 0; len < isp->isp_maxcmds - 1; len++) {
 		isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
 	}

Modified: head/sys/dev/isp/isp_sbus.c
==============================================================================
--- head/sys/dev/isp/isp_sbus.c	Sun May 15 08:34:59 2016	(r299848)
+++ head/sys/dev/isp/isp_sbus.c	Sun May 15 08:36:12 2016	(r299849)
@@ -448,19 +448,8 @@ isp_sbus_mbxdma(ispsoftc_t *isp)
 	len = sizeof (struct isp_pcmd) * isp->isp_maxcmds;
 	isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *)
 	    malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
-	if (isp->isp_osinfo.pcmd_pool == NULL) {
-		isp_prt(isp, ISP_LOGERR, "cannot alloc pcmd pool");
-		ISP_LOCK(isp);
-		return (1);
-	}
-
 	len = sizeof (isp_hdl_t *) * isp->isp_maxcmds;
 	isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
-	if (isp->isp_xflist == NULL) {
-		isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
-		ISP_LOCK(isp);
-		return (1);
-	}
 	for (len = 0; len < isp->isp_maxcmds - 1; len++) {
 		isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
 	}