Messages in this thread Patch in this message | | | From | "Raju P.L.S.S.S.N" <> | Subject | [PATCH v1 2/2] drivers: soc: qcom: rpmh-rsc: Correct check for slot number | Date | Thu, 21 Feb 2019 18:10:36 +0530 |
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From: Maulik Shah <mkshah@codeaurora.org>
The return index value from bitmap_find_next_zero_area can be higher than available slot. So correct the check to return error in such case.
Signed-off-by: Maulik Shah <mkshah@codeaurora.org> Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org> --- drivers/soc/qcom/rpmh-rsc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index 10b3102298c7..3ff3bebd4d71 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -491,7 +491,7 @@ static int find_slots(struct tcs_group *tcs, const struct tcs_request *msg, do { slot = bitmap_find_next_zero_area(tcs->slots, MAX_TCS_SLOTS, i, msg->num_cmds, 0); - if (slot == tcs->num_tcs * tcs->ncpt) + if (slot >= tcs->num_tcs * tcs->ncpt) return -ENOMEM; i += tcs->ncpt; } while (slot + msg->num_cmds - 1 >= i); -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation.
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