Konsta Holtta 1d026d1f77 gpu: nvgpu: check dma_buf_get retval with IS_ERR ...

dma_buf_get returns PTR_ERRs, so fix checking for null to proper IS_ERR
in gk20a_vm_map_buffer. Buffer mapping from user space with ioctls would
also have paniced here if an improper handle would be passed.

Change-Id: I245fe41cd209e49fc9265e56340c1c8215ffb1d2
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/498320
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

2015-03-18 12:11:15 -07:00

..

nvgpu

gpu: nvgpu: check dma_buf_get retval with IS_ERR

2015-03-18 12:11:15 -07:00