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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2012-08-23 17:10:00 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-06 13:29:11 -0700
commit1b8cb9290671a4c025c16a51d316031f9ec04976 (patch)
treea335e3cb404474a9420b4e3f07044128c8f5e499 /drivers/base/platform.c
parent45f035ab9b8f45aaf1eb2213218b7e9c14af3fc2 (diff)
driver core: Check if r->name is valid in platform_get_resource_byname()
Safety check for the validity of the resource name before calling strcmp(). If the resource name is NULL do not compare it, just skip it. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r--drivers/base/platform.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 3f8077ce585c..ddeca142293c 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -103,6 +103,9 @@ struct resource *platform_get_resource_byname(struct platform_device *dev,
for (i = 0; i < dev->num_resources; i++) {
struct resource *r = &dev->resource[i];
+ if (unlikely(!r->name))
+ continue;
+
if (type == resource_type(r) && !strcmp(r->name, name))
return r;
}