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Commit 929b60a8 authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Jiri Kosina
Browse files

HID: hid-logitech-hidpp: add NULL check on devm_kmemdup() return value 



Check return value from call to devm_kmemdup() in order to prevent a NULL
pointer dereference.

Signed-off-by: default avatarGustavo A. R. Silva <garsilva@embeddedor.com>
Reviewed-by: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 4cf56a89

drivers/hid/hid-logitech-hidpp.c

+3 −0
Original line number Diff line number Diff line
@@ -2732,6 +2732,9 @@ static int hidpp_initialize_battery(struct hidpp_device *hidpp) 
				     hidpp_battery_props,

				     sizeof(hidpp_battery_props),

				     GFP_KERNEL);

	if (!battery_props)

		return -ENOMEM;



	num_battery_props = ARRAY_SIZE(hidpp_battery_props) - 2;



	if (hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_MILEAGE)