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-rw-r--r--drivers/md/bcache/sysfs.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/md/bcache/sysfs.h b/drivers/md/bcache/sysfs.h
index 3fe82425859c..0ad2715a884e 100644
--- a/drivers/md/bcache/sysfs.h
+++ b/drivers/md/bcache/sysfs.h
@@ -81,9 +81,16 @@ do { \
#define sysfs_strtoul_clamp(file, var, min, max) \
do { \
- if (attr == &sysfs_ ## file) \
- return strtoul_safe_clamp(buf, var, min, max) \
- ?: (ssize_t) size; \
+ if (attr == &sysfs_ ## file) { \
+ unsigned long v = 0; \
+ ssize_t ret; \
+ ret = strtoul_safe_clamp(buf, v, min, max); \
+ if (!ret) { \
+ var = v; \
+ return size; \
+ } \
+ return ret; \
+ } \
} while (0)
#define strtoul_or_return(cp) \