diff options
| author | Cédric Le Goater <clg@kaod.org> | 2021-07-01 17:24:12 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-07-05 22:23:25 +1000 |
| commit | 3f601608b71c3ca1e199898cd16f09d707fedb56 (patch) | |
| tree | bdd494f80e5b39d8bb1b282c031c79abf2a7dbf2 /arch/powerpc/sysdev/xive/common.c | |
| parent | 307e5042c7bdae15308ef2e9b848833b84122eb0 (diff) | |
powerpc/xive: Fix error handling when allocating an IPI
This is a smatch warning:
arch/powerpc/sysdev/xive/common.c:1161 xive_request_ipi() warn: unsigned 'xid->irq' is never less than zero.
Fixes: fd6db2892eba ("powerpc/xive: Modernize XIVE-IPI domain with an 'alloc' handler")
Cc: stable@vger.kernel.org # v5.13
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210701152412.1507612-1-clg@kaod.org
Diffstat (limited to 'arch/powerpc/sysdev/xive/common.c')
| -rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index a8304327072d..dbdbbc2f1dc5 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -1153,11 +1153,10 @@ static int __init xive_request_ipi(void) * Since the HW interrupt number doesn't have any meaning, * simply use the node number. */ - xid->irq = irq_domain_alloc_irqs(ipi_domain, 1, node, &info); - if (xid->irq < 0) { - ret = xid->irq; + ret = irq_domain_alloc_irqs(ipi_domain, 1, node, &info); + if (ret < 0) goto out_free_xive_ipis; - } + xid->irq = ret; snprintf(xid->name, sizeof(xid->name), "IPI-%d", node); |