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| author | Andrzej Hajda <a.hajda@samsung.com> | 2016-08-17 12:03:05 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-08-22 11:09:33 +1000 |
| commit | 6096481649ac27466cf2b453f185b43f680bf541 (patch) | |
| tree | c7711132e4e63561e52070d6049d3d3e5283f30c /arch/powerpc | |
| parent | 2dd9c11b9d4dfbd6c070eab7b81197f65e82f1a0 (diff) | |
| download | linux-6096481649ac27466cf2b453f185b43f680bf541.tar.bz2 | |
powerpc/powernv/pci: fix iterator signedness
Unsigned type is always non-negative, so the loop could not end in case
condition is never true.
The problem has been detected using semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci-ioda.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index fd9444f9fb0c..13218263e66e 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -149,7 +149,7 @@ static void pnv_ioda_reserve_pe(struct pnv_phb *phb, int pe_no) static struct pnv_ioda_pe *pnv_ioda_alloc_pe(struct pnv_phb *phb) { - unsigned long pe = phb->ioda.total_pe_num - 1; + long pe; for (pe = phb->ioda.total_pe_num - 1; pe >= 0; pe--) { if (!test_and_set_bit(pe, phb->ioda.pe_alloc)) |