Messages in this thread Patch in this message | | | Date | Wed, 16 Apr 2008 21:44:24 +0400 | From | Cyrill Gorcunov <> | Subject | [patch 3/3] ThinkPad ACPI: fix possible NULL pointer dereference |
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Fix potential NULL pointer dereference if kstrdup failed
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
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Index: linux-2.6.git/drivers/misc/thinkpad_acpi.c =================================================================== --- linux-2.6.git.orig/drivers/misc/thinkpad_acpi.c 2008-04-16 20:35:34.000000000 +0400 +++ linux-2.6.git/drivers/misc/thinkpad_acpi.c 2008-04-16 20:36:38.000000000 +0400 @@ -5826,7 +5826,7 @@ static void __init get_thinkpad_model_da tp->model_str = kstrdup(dmi_get_system_info(DMI_PRODUCT_VERSION), GFP_KERNEL); - if (strnicmp(tp->model_str, "ThinkPad", 8) != 0) { + if (tp->model_str && strnicmp(tp->model_str, "ThinkPad", 8) != 0) { kfree(tp->model_str); tp->model_str = NULL; } --
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