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-rw-r--r--drivers/md/bcache/sysfs.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index e4519326594f..0fad46d3a8bd 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -302,7 +302,9 @@ STORE(__cached_dev)
sysfs_strtoul_clamp(writeback_rate_update_seconds,
dc->writeback_rate_update_seconds,
1, WRITEBACK_RATE_UPDATE_SECS_MAX);
- d_strtoul(writeback_rate_i_term_inverse);
+ sysfs_strtoul_clamp(writeback_rate_i_term_inverse,
+ dc->writeback_rate_i_term_inverse,
+ 1, UINT_MAX);
d_strtoul_nonzero(writeback_rate_p_term_inverse);
d_strtoul_nonzero(writeback_rate_minimum);