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-rw-r--r--drivers/gpu/drm/i915/intel_drv.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 7700e3254b26..810c89eb6863 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -52,11 +52,15 @@
*/
#define _wait_for(COND, US, W) ({ \
unsigned long timeout__ = jiffies + usecs_to_jiffies(US) + 1; \
- int ret__ = 0; \
- while (!(COND)) { \
- if (time_after(jiffies, timeout__)) { \
- if (!(COND)) \
- ret__ = -ETIMEDOUT; \
+ int ret__; \
+ for (;;) { \
+ bool expired__ = time_after(jiffies, timeout__); \
+ if (COND) { \
+ ret__ = 0; \
+ break; \
+ } \
+ if (expired__) { \
+ ret__ = -ETIMEDOUT; \
break; \
} \
if ((W) && drm_can_sleep()) { \