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gpu: nvgpu: Only set mode if ptr is valid

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In the nvgpu_pci_devnode() function only set the mode if the mode
pointer is valid. In some cases this function only needs the name
of the node and not its permissions.

Bug 1816516

Change-Id: I603c1499083fb29cb5fe4a871068e0bf2cbe9c3d
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1225614
(cherry picked from commit 11874ad9df49b44fac4e90d83e138ead63bbb2f9)
Reviewed-on: http://git-master/r/1244907
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Alex Waterman
2016-09-22 16:01:23 -07:00
committed by mobile promotions
parent 4c2e65c60b
commit 9dce41e208
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/nvgpu/pci.c
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@@ -197,7 +197,8 @@ static int nvgpu_pci_init_support(struct pci_dev *pdev)
static char *nvgpu_pci_devnode(struct device *dev, umode_t *mode)
{
*mode = S_IRUGO | S_IWUGO;
if (mode)
*mode = S_IRUGO | S_IWUGO;
return kasprintf(GFP_KERNEL, "nvgpu-pci/%s", dev_name(dev));
}