diff options
| author | Tom Gundersen <teg@jklm.no> | 2016-09-21 17:59:19 +0300 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2016-09-22 14:03:48 +0300 |
| commit | 0f2886057be322ddfa4858384c40a505f7a32a4a (patch) | |
| tree | 95fd93e32cce031f99920cd1937b4e46491e65b3 /drivers/gpu/drm/udl | |
| parent | c6bf811a0b55ab224fb2c75345641b4bb599475c (diff) | |
| download | linux-0f2886057be322ddfa4858384c40a505f7a32a4a.tar.xz | |
drm: Don't swallow error codes in drm_dev_alloc()
There are many reasons other than ENOMEM that drm_dev_init() can
fail. Return ERR_PTR rather than NULL to be able to distinguish
these in the caller.
Signed-off-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20160921145919.13754-2-teg@jklm.no
Diffstat (limited to 'drivers/gpu/drm/udl')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_drv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c index f0851db6ba6c..cc45d98f9bb5 100644 --- a/drivers/gpu/drm/udl/udl_drv.c +++ b/drivers/gpu/drm/udl/udl_drv.c @@ -86,8 +86,8 @@ static int udl_usb_probe(struct usb_interface *interface, int r; dev = drm_dev_alloc(&driver, &interface->dev); - if (!dev) - return -ENOMEM; + if (IS_ERR(dev)) + return PTR_ERR(dev); r = drm_dev_register(dev, (unsigned long)udev); if (r) |