From: Peter Huewe <PeterHuewe@gmx.de>
Date: Wed, 30 Oct 2013 00:40:28 +0000 (+0100)
Subject: tpm/tpm_ppi: Check return value of acpi_get_name
X-Git-Tag: v3.14-rc1~147^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=238b1eaa59e6a8e2993af0db9ec2255bfa53927b;p=pandora-kernel.git

tpm/tpm_ppi: Check return value of acpi_get_name

If
 status = acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
fails for whatever reason and does not return AE_OK
 if (strstr(buffer.pointer, context) != NULL) {
does dereference a null pointer.

-> Check the return value and return the status to the caller

Found by coverity
Cc: stable@vger.kernel.org
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
---

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