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drm/radeon/radeon_connectors.c: add a NULL test before dereference 

The encoder variable can be NULL in this function so I believe it should
be checked before dereference.

Coverity CID: 13253

[airlied: extremely unlikely to happen]

Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Darren Jenkins 2009-12-30 12:22:55 +11:00 committed by Dave Airlie
parent 5eb226132f
commit d8a7f79246
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/radeon/radeon_connectors.c
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@ -615,7 +615,7 @@ static enum drm_connector_status radeon_vga_detect(struct drm_connector *connect
ret = connector_status_connected;
}
} else {
if (radeon_connector->dac_load_detect) {
if (radeon_connector->dac_load_detect && encoder) {
encoder_funcs = encoder->helper_private;
ret = encoder_funcs->detect(encoder, connector);
}