Date: Sat, 13 Jun 2015 05:55:26 +0000 (UTC) From: Allan Jude <allanjude@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r284336 - head/sys/dev/acpi_support Message-ID: <201506130555.t5D5tQij003839@svn.freebsd.org>
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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);
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