From: Georgi Djakov <georgi.djakov@linaro.org>
To: linux-pm@vger.kernel.org
Cc: bjorn.andersson@linaro.org, evgreen@chromium.org,
daidavid1@codeaurora.org, okukatla@codeaurora.org,
jcrouse@codeaurora.org, georgi.djakov@linaro.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] interconnect: Check for valid path in icc_set_bw()
Date: Fri, 20 Dec 2019 19:13:10 +0200 [thread overview]
Message-ID: <20191220171310.24169-1-georgi.djakov@linaro.org> (raw)
Use IS_ERR() to ensure that the path passed to icc_set_bw() is valid.
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
---
drivers/interconnect/core.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 63c164264b73..14a6f7ade44a 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -498,6 +498,11 @@ int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw)
if (!path || !path->num_nodes)
return 0;
+ if (IS_ERR(path)) {
+ pr_err("%s: invalid path=%ld\n", __func__, PTR_ERR(path));
+ return -EINVAL;
+ }
+
mutex_lock(&icc_lock);
old_avg = path->reqs[0].avg_bw;
next reply other threads:[~2019-12-20 17:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-20 17:13 Georgi Djakov [this message]
2019-12-20 19:04 ` [PATCH] interconnect: Check for valid path in icc_set_bw() Bjorn Andersson
2019-12-21 2:43 ` Georgi Djakov
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