Author: allanjude (doc committer)
Date: Sat Jun 13 05:55:26 2015
New Revision: 284336
URL: https://svnweb.freebsd.org/changeset/base/284336

Log:
  acpi_ibm.ko panics if SMBIOS information is not available
  
  Add a check for NULL before strcmp on smbios information incase it is not 
populated
  
  Differential Revision:        https://reviews.freebsd.org/D2750
  Reviewed by:  ngie, jhb
  Approved by:  rpaulo
  Sponsored by: ScaleEngine Inc.

Modified:
  head/sys/dev/acpi_support/acpi_ibm.c

Modified: head/sys/dev/acpi_support/acpi_ibm.c
==============================================================================
--- head/sys/dev/acpi_support/acpi_ibm.c        Sat Jun 13 01:28:19 2015        
(r284335)
+++ head/sys/dev/acpi_support/acpi_ibm.c        Sat Jun 13 05:55:26 2015        
(r284336)
@@ -485,6 +485,9 @@ acpi_ibm_attach(device_t dev)
        /* Enable per-model events. */
        maker = kern_getenv("smbios.system.maker");
        product = kern_getenv("smbios.system.product");
+       if (maker != NULL && product != NULL)
+               goto nosmbios;
+
        for (i = 0; i < nitems(acpi_ibm_models); i++) {
                if (strcmp(maker, acpi_ibm_models[i].maker) == 0 &&
                    strcmp(product, acpi_ibm_models[i].product) == 0) {
@@ -494,6 +497,8 @@ acpi_ibm_attach(device_t dev)
                        ACPI_SERIAL_END(ibm);
                }
        }
+
+nosmbios:
        freeenv(maker);
        freeenv(product);
 
_______________________________________________
svn-src-head@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"

Reply via email to