Messages in this thread Patch in this message | | | Subject | [PATCH] drm/radeon/radeon_cp.c: check for invalid radeon family | From | Darren Jenkins <> | Date | Wed, 30 Dec 2009 12:23:55 +1100 |
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If there is an invalid radeon family the fw_name is NULL and causes an NULL pointer dereference. This just adds a check for something unexpected.
Coverity CID: 13252
Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
diff --git drivers/gpu/drm/radeon/radeon_cp.c drivers/gpu/drm/radeon/radeon_cp.c index 0b2f9c2..1e66337 100644 --- drivers/gpu/drm/radeon/radeon_cp.c +++ drivers/gpu/drm/radeon/radeon_cp.c @@ -531,6 +531,8 @@ static int radeon_cp_init_microcode(drm_radeon_private_t *dev_priv) ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV570)) { DRM_INFO("Loading R500 Microcode\n"); fw_name = FIRMWARE_R520; + } else { + return -EINVAL; } err = request_firmware(&dev_priv->me_fw, fw_name, &pdev->dev);
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