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Commit 3f0d97d9 authored by Jean-Michel Hautbois's avatar Jean-Michel Hautbois Committed by Greg Kroah-Hartman
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Lattice ECP3 FPGA: Check firmware pointer 



This patch corrects a lack of testing.
If fw is NULL when calling firmware_load(), it results in a kernel oops.

Signed-off-by: default avatarJean-Michel Hautbois <jean-michel.hautbois@vodalys.com>
Reviewed-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 69e273c0

drivers/misc/lattice-ecp3-config.c

+5 −0
Original line number Diff line number Diff line
@@ -79,6 +79,11 @@ static void firmware_load(const struct firmware *fw, void *context) 
	u32 jedec_id;

	u32 status;



	if (fw == NULL) {

		dev_err(&spi->dev, "Cannot load firmware, aborting\n");

		return;

	}



	if (fw->size == 0) {

		dev_err(&spi->dev, "Error: Firmware size is 0!\n");

		return;