powerpc/perf/hv-24x7: Fix off-by-one error in request_buffer check

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request_buffer can hold 254 requests, so if it already has that number of
entries we can't add a new one.

Also, define constant to show where the number comes from.

Fixes: e3ee15dc5d ("powerpc/perf/hv-24x7: Define add_event_to_24x7_request()")
Reviewed-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Thiago Jung Bauermann 2017-06-29 18:55:32 -03:00 • committed by Michael Ellerman

parent 12bf85a710

commit 36c8fb2c61

1 changed files with 5 additions and 1 deletions

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arch/powerpc/perf/hv-24x7.c

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