Message ID | 20170704042246.22609-1-santosh@fossix.org (mailing list archive) |
---|---|
State | Accepted |
Commit | 76d98ab4628bf8d36498e8228a5b92aa95a4b820 |
Headers | show |
On Tue, 2017-07-04 at 04:22:46 UTC, Santosh Sivaraj wrote: > Check for validity of cpu before calling get_hard_smp_processor_id. > > Found with coverity. > > Signed-off-by: Santosh Sivaraj <santosh@fossix.org> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/76d98ab4628bf8d36498e8228a5b92 cheers
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c index 40dae96..c6448c7 100644 --- a/arch/powerpc/platforms/powernv/smp.c +++ b/arch/powerpc/platforms/powernv/smp.c @@ -57,7 +57,7 @@ static void pnv_smp_setup_cpu(int cpu) static int pnv_smp_kick_cpu(int nr) { - unsigned int pcpu = get_hard_smp_processor_id(nr); + unsigned int pcpu; unsigned long start_here = __pa(ppc_function_entry(generic_secondary_smp_init)); long rc; @@ -66,6 +66,7 @@ static int pnv_smp_kick_cpu(int nr) if (nr < 0 || nr >= nr_cpu_ids) return -EINVAL; + pcpu = get_hard_smp_processor_id(nr); /* * If we already started or OPAL is not supported, we just * kick the CPU via the PACA
Check for validity of cpu before calling get_hard_smp_processor_id. Found with coverity. Signed-off-by: Santosh Sivaraj <santosh@fossix.org> --- arch/powerpc/platforms/powernv/smp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)