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| author |   Randy Dunlap <rdunlap@infradead.org> | 2017-11-13 18:08:48 +0200 |
|---|---|---|
| committer |   Oded Gabbay <oded.gabbay@gmail.com> | 2017-11-26 11:31:32 +0200 |
| commit | c393e9b2d51540b74e18e555df14706098dbf2cc (patch) | |
| tree | e69965617b2ee943ba703fbbfff9027690191723 /drivers/gpu/drm/amd/amdkfd/kfd_module.c | |
| parent | drm/amdkfd: Fix SDMA oversubsription handling (diff) | |
| download | linux-dev-c393e9b2d51540b74e18e555df14706098dbf2cc.tar.xz linux-dev-c393e9b2d51540b74e18e555df14706098dbf2cc.zip | |
drm/amdkfd: fix amdkfd use-after-free GP fault
Fix GP fault caused by dev_info() reference to a struct device*
after the device has been freed (use after free).
kfd_chardev_exit() frees the device so 'kfd_device' should not
be used after calling kfd_chardev_exit().
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_module.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_module.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c index 6c5a9cab55de..f744caeaee04 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c @@ -24,6 +24,7 @@ #include <linux/sched.h> #include <linux/moduleparam.h> #include <linux/device.h> +#include <linux/printk.h> #include "kfd_priv.h" #define KFD_DRIVER_AUTHOR "AMD Inc. and others" @@ -132,7 +133,7 @@ static void __exit kfd_module_exit(void) kfd_process_destroy_wq(); kfd_topology_shutdown(); kfd_chardev_exit(); - dev_info(kfd_device, "Removed module\n"); + pr_info("amdkfd: Removed module\n"); } module_init(kfd_module_init); |