Commit 45cdd473 authored by Roel Kluin's avatar Roel Kluin Committed by Hirokazu Takata
Browse files

m32r: Should index be positive? 



Index `ipi_num' is signed, test whether it is negative to
make sure we don't get a negative array element.

Signed-off-by: default avatarRoel Kluin <roel.kluin@gmail.com>
Signed-off-by: default avatarHirokazu Takata <takata@linux-m32r.org>
parent 337214e8

arch/m32r/kernel/smp.c

+1 −1
Original line number Diff line number Diff line
@@ -806,7 +806,7 @@ unsigned long send_IPI_mask_phys(cpumask_t physid_mask, int ipi_num, 


	if (mask & ~physids_coerce(phys_cpu_present_map))

		BUG();

	if (ipi_num >= NR_IPIS)

	if (ipi_num >= NR_IPIS || ipi_num < 0)

		BUG();



	mask <<= IPI_SHIFT;