diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2017-04-15 21:21:42 +0200 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-04-18 11:52:45 +0200 |
| commit | 418d59ef229290a1da80aa25222f9da2ac2fa6a5 (patch) | |
| tree | 6b3aff7ee3c42221aedab514006a82482541a575 /drivers/gpu | |
| parent | drm/sti: fix GDP size to support up to UHD resolution (diff) | |
| download | linux-418d59ef229290a1da80aa25222f9da2ac2fa6a5.tar.xz linux-418d59ef229290a1da80aa25222f9da2ac2fa6a5.zip | |
drm: atmel-hlcdc: Uninitialized return in atmel_hlcdc_create_outputs()
It's not possible for endpoint to be zero so the test doesn't work. If
we break on the first iteration through the loop then endpoint is 1 and
"ret" is uninitialized.
Fixes: ebc944613567 ("drm: convert drivers to use drm_of_find_panel_or_bridge")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170415192142.GA6416@mwanda
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c index f987b4572d4a..65a3bd7a0c00 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c @@ -221,7 +221,8 @@ err_encoder_cleanup: int atmel_hlcdc_create_outputs(struct drm_device *dev) { struct device_node *remote; - int ret, endpoint = 0; + int ret = -ENODEV; + int endpoint = 0; while (true) { /* Loop thru possible multiple connections to the output */ @@ -236,7 +237,5 @@ int atmel_hlcdc_create_outputs(struct drm_device *dev) return ret; } - if (!endpoint) - return -ENODEV; return ret; } |