The lower layers of sysfs will not allow an "offset" of more than
GEN7_L3LOG_SIZE and also l3_access_valid() caps it a second time. But
it's a little easier to audit if we don't have to worry that the
subtraction will result in negative values.
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c
b/drivers/gpu/drm/i915/i915_sysfs.c
index d572435..b3f62b4 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -127,7 +127,7 @@ i915_l3_read(struct file *filp, struct kobject *kobj,
if (ret)
return ret;
- count = min_t(int, GEN7_L3LOG_SIZE-offset, count);
+ count = min_t(size_t, GEN7_L3LOG_SIZE - offset, count);
ret = i915_mutex_lock_interruptible(drm_dev);
if (ret)
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