Messages in this thread Patch in this message | | | From | Georgi Djakov <> | Subject | [PATCH] interconnect: Check for valid path in icc_set_bw() | Date | Fri, 20 Dec 2019 19:13:10 +0200 |
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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;
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