If there is an invalid family the fw_name is NULL and causes an
NULL pointer dereference.
This just adds a check for something unexpected.
Coverity CID: 13251
Signed-off-by: Darren Jenkins <darrenrjenk...@gmail.com>
diff --git a/drivers/gpu/drm/radeon/r100.c
b/drivers/gpu/drm/radeon/r100.c
index 84e5df7..7d5de31 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -584,6 +584,8 @@ static int r100_cp_init_microcode(struct
radeon_device *rdev)
(rdev->family == CHIP_RV570)) {
DRM_INFO("Loading R500 Microcode\n");
fw_name = FIRMWARE_R520;
+ } else {
+ return -EINVAL;
}
err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
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