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Commit 6575cbd6 authored by Alexander Shishkin's avatar Alexander Shishkin
Browse files

intel_th: msu: Handle kstrndup() failure 



Currently, the nr_pages attribute store does not check if kstrndup()
succeeded. Fix this.

Reported-by: default avatarAlan Cox <alan.cox@intel.com>
Signed-off-by: default avatarAlexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: default avatarLaurent Fert <laurent.fert@intel.com>
parent 8f1127ea

drivers/hwtracing/intel_th/msu.c

+5 −0
Original line number Original line Diff line number Diff line
@@ -1393,6 +1393,11 @@ nr_pages_store(struct device *dev, struct device_attribute *attr, 
	do {

	do {

		end = memchr(p, ',', len);

		end = memchr(p, ',', len);

		s = kstrndup(p, end ? end - p : len, GFP_KERNEL);

		s = kstrndup(p, end ? end - p : len, GFP_KERNEL);

		if (!s) {

			ret = -ENOMEM;

			goto free_win;

		}



		ret = kstrtoul(s, 10, &val);

		ret = kstrtoul(s, 10, &val);

		kfree(s);

		kfree(s);