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Commit 106204b5 authored by Kangjie Lu's avatar Kangjie Lu Committed by Mika Westerberg
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thunderbolt: property: Fix a NULL pointer dereference 



In case kzalloc fails, the fix releases resources and returns
-ENOMEM to avoid the NULL pointer dereference.

Signed-off-by: default avatarKangjie Lu <kjlu@umn.edu>
Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 9e98c678

drivers/thunderbolt/property.c

+5 −0
Original line number Diff line number Diff line
@@ -548,6 +548,11 @@ int tb_property_add_data(struct tb_property_dir *parent, const char *key, 


	property->length = size / 4;

	property->value.data = kzalloc(size, GFP_KERNEL);

	if (!property->value.data) {

		kfree(property);

		return -ENOMEM;

	}



	memcpy(property->value.data, buf, buflen);



	list_add_tail(&property->list, &parent->properties);