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drivers: soc: qcom: rpmh-rsc: Correct check for slot number 

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>
Signed-off-by: Andy Gross <agross@kernel.org>
hifive-unleashed-5.2
Maulik Shah 2019-02-21 18:10:36 +05:30 committed by Andy Gross
parent 93b2605280
commit bbeac60f06
1 changed files with 1 additions and 1 deletions
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2
drivers/soc/qcom/rpmh-rsc.c
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@ -459,7 +459,7 @@ 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);