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drm/lima: check vm != NULL in lima_vm_put

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No need to handle this check before calling lima_vm_put.

Tested-by: Bhushan Shah <bshah@kde.org>
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-4-yuq825@gmail.com
This commit is contained in:
Qiang Yu
2020-04-21 21:35:44 +08:00
parent d04f2a8e5b
commit 24943269e5
2 changed files with 4 additions and 6 deletions
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3
drivers/gpu/drm/lima/lima_vm.h
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@@ -54,7 +54,8 @@ static inline struct lima_vm *lima_vm_get(struct lima_vm *vm)
static inline void lima_vm_put(struct lima_vm *vm)
{
kref_put(&vm->refcount, lima_vm_release);
if (vm)
kref_put(&vm->refcount, lima_vm_release);
}
void lima_vm_print(struct lima_vm *vm);