Merge "mmc: core : fix arbitrary read/write to user space"

drivers/mmc/core/debugfs.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -663,6 +663,9 @@ static ssize_t mmc_bkops_stats_write(struct file *filp,
		if (!card)
		return cnt;

		if (!access_ok(VERIFY_READ, ubuf, cnt))
		return cnt;

		bkops_stats = &card->bkops_info.bkops_stats;

		sscanf(ubuf, "%d", &value);