Messages in this thread | | | Date | Thu, 21 Feb 2019 08:24:02 -0700 | From | Lina Iyer <> | Subject | Re: [PATCH v1 2/2] drivers: soc: qcom: rpmh-rsc: Correct check for slot number |
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On Thu, Feb 21 2019 at 05:42 -0700, Raju P.L.S.S.S.N wrote: >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> Reviewed-by: Lina Iyer <ilina@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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