diff options
Diffstat (limited to 'arch/m32r/kernel/smp.c')
| -rw-r--r-- | arch/m32r/kernel/smp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c index 1b7598e6f6e8..31cef20b2996 100644 --- a/arch/m32r/kernel/smp.c +++ b/arch/m32r/kernel/smp.c @@ -17,6 +17,7 @@ #include <linux/irq.h> #include <linux/interrupt.h> +#include <linux/sched.h> #include <linux/spinlock.h> #include <linux/mm.h> #include <linux/smp.h> @@ -805,7 +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; |