diff options
| author | Nicolin Chen <nicolinc@nvidia.com> | 2025-02-27 23:07:29 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2025-03-04 16:41:25 +0300 |
| commit | a05df03a88bc1088be8e9d958f208d6484691e43 (patch) | |
| tree | ab85ad74b8681102bbe813385881812a0b9ae820 | |
| parent | 1062d81086156e42878d701b816d2f368b53a77c (diff) | |
| download | linux-a05df03a88bc1088be8e9d958f208d6484691e43.tar.xz | |
iommufd: Fix uninitialized rc in iommufd_access_rw()
Reported by smatch:
drivers/iommu/iommufd/device.c:1392 iommufd_access_rw() error: uninitialized symbol 'rc'.
Fixes: 8d40205f6093 ("iommufd: Add kAPI toward external drivers for kernel access")
Link: https://patch.msgid.link/r/20250227200729.85030-1-nicolinc@nvidia.com
Cc: stable@vger.kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202502271339.a2nWr9UA-lkp@intel.com/
[nicolinc: can't find an original report but only in "old smatch warnings"]
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
| -rw-r--r-- | drivers/iommu/iommufd/device.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/iommufd/device.c b/drivers/iommu/iommufd/device.c index 4e107f69f951..b2f0cb909e6d 100644 --- a/drivers/iommu/iommufd/device.c +++ b/drivers/iommu/iommufd/device.c @@ -1349,7 +1349,7 @@ int iommufd_access_rw(struct iommufd_access *access, unsigned long iova, struct io_pagetable *iopt; struct iopt_area *area; unsigned long last_iova; - int rc; + int rc = -EINVAL; if (!length) return -EINVAL; |