diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2021-07-21 20:35:03 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-07-28 14:25:40 +0200 |
| commit | 568b2126466f926a10be0b53b40c2d6ae056d8d6 (patch) | |
| tree | b6c7ea998d32a7c7c780da9c06b2a8564bbcc26b /drivers/dma | |
| parent | dmaengine: idxd: Set defaults for GRPCFG traffic class (diff) | |
| download | linux-568b2126466f926a10be0b53b40c2d6ae056d8d6.tar.xz linux-568b2126466f926a10be0b53b40c2d6ae056d8d6.zip | |
dmaengine: idxd: fix uninit var for alt_drv
0-day detected uninitialized alt_drv variable in the bind_store() function.
The branch can be taken when device is not idxd device or wq 'struct
device'. Init alt_drv to NULL.
Fixes: 6e7f3ee97bbe ("dmaengine: idxd: move dsa_drv support to compatible mode")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/162689250332.2114335.636367120454420852.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/idxd/compat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/idxd/compat.c b/drivers/dma/idxd/compat.c index d67746ee0c1a..d7616c240dcd 100644 --- a/drivers/dma/idxd/compat.c +++ b/drivers/dma/idxd/compat.c @@ -34,7 +34,7 @@ static ssize_t bind_store(struct device_driver *drv, const char *buf, size_t cou { struct bus_type *bus = drv->bus; struct device *dev; - struct device_driver *alt_drv; + struct device_driver *alt_drv = NULL; int rc = -ENODEV; struct idxd_dev *idxd_dev; |