net: hsr: fix possible NULL deref in hsr_handle_frame()

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / block / blk-sysfs.c

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 565b8da..e140cc4 100644 (file)
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -205,6 +205,9 @@ queue_max_sectors_store(struct request_queue *q, const char *page, size_t count)
        if (ret < 0)
                return ret;
 
+       max_hw_sectors_kb = min_not_zero(max_hw_sectors_kb, (unsigned long)
+                                        q->limits.max_dev_sectors >> 1);
+
        if (max_sectors_kb > max_hw_sectors_kb || max_sectors_kb < page_kb)
                return -EINVAL;