From: Jiapeng Chong jiapeng.chong@linux.alibaba.com
[ Upstream commit 99b18e88a1cf737ae924123d63b46d9a3d17b1af ]
The error code is missing in this code scenario, add the error code '-EINVAL' to the return value 'rc'.
Eliminate the follow smatch warning:
drivers/dma/idxd/cdev.c:113 idxd_cdev_open() warn: missing error code 'rc'.
Reported-by: Abaci Robot abaci@linux.alibaba.com Signed-off-by: Jiapeng Chong jiapeng.chong@linux.alibaba.com Acked-by: Dave Jiang dave.jiang@intel.com Link: https://lore.kernel.org/r/1622628446-87909-1-git-send-email-jiapeng.chong@li... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/idxd/cdev.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c index 1d8a3876b745..5ba8e8bc609f 100644 --- a/drivers/dma/idxd/cdev.c +++ b/drivers/dma/idxd/cdev.c @@ -110,6 +110,7 @@ static int idxd_cdev_open(struct inode *inode, struct file *filp) pasid = iommu_sva_get_pasid(sva); if (pasid == IOMMU_PASID_INVALID) { iommu_sva_unbind_device(sva); + rc = -EINVAL; goto failed; }