The following commit has been merged in the linux branch: commit 45cdd473301aae36e1f10664b9fe7ef5aad3f182 Author: Roel Kluin roel.kluin@gmail.com Date: Sun Nov 1 15:33:06 2009 +0100

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: Roel Kluin roel.kluin@gmail.com Signed-off-by: Hirokazu Takata takata@linux-m32r.org

diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c index 8a88f1f..31cef20 100644 --- a/arch/m32r/kernel/smp.c +++ b/arch/m32r/kernel/smp.c @@ -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;