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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-11-01 15:33:06 +0100 |
|---|---|---|
| committer | Hirokazu Takata <takata@linux-m32r.org> | 2009-11-04 08:39:26 +0900 |
| commit | 45cdd473301aae36e1f10664b9fe7ef5aad3f182 (patch) | |
| tree | af1feedba66ea1364f9607806eef46f8aad613c2 /arch | |
| parent | 337214e8c6b0c777713b2483749f9c03102a416c (diff) | |
| download | linux-45cdd473301aae36e1f10664b9fe7ef5aad3f182.tar.gz linux-45cdd473301aae36e1f10664b9fe7ef5aad3f182.tar.bz2 linux-45cdd473301aae36e1f10664b9fe7ef5aad3f182.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/m32r/kernel/smp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c index 8a88f1f0a3e2..31cef20b2996 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; |