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authorCyrill Gorcunov <gorcunov@gmail.com>2008-04-18 13:27:29 -0700
committerLen Brown <len.brown@intel.com>2008-04-29 10:10:03 -0400
commit90fe17f4df2f830601ffd422b11d1f7f9a9d0355 (patch)
treef5e04bd8ea19125ed5217e41a6fb2dc3b992b5b2
parenta815ab8b5891f3d2515316655729272f68269e3b (diff)
thinkpad_acpi: fix possible NULL pointer dereference if kstrdup failed
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
-rw-r--r--drivers/misc/thinkpad_acpi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 6cb781262f9..31115c9cfb3 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -5826,7 +5826,7 @@ static void __init get_thinkpad_model_data(struct thinkpad_id_data *tp)
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;
}