Commit 7d7899c5 authored Jan 06, 2020 by Georgi Djakov

interconnect: Check for valid path in icc_set_bw()



Use IS_ERR() to ensure that the path passed to icc_set_bw() is valid.

Reviewed-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>

parent 2c5127a7

drivers/interconnect/core.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -495,9 +495,12 @@ int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw)
		size_t i;
		int ret;

		if (!path \|\| !path->num_nodes)
		if (!path)
		return 0;

		if (WARN_ON(IS_ERR(path) \|\| !path->num_nodes))
		return -EINVAL;

		mutex_lock(&icc_lock);

		old_avg = path->reqs[0].avg_bw;

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