[dpdk-dev] [PATCH] vfio: fix error check when checking if vfio is enabled
Anatoly Burakov
anatoly.burakov at intel.com
Fri Dec 22 11:30:36 CET 2017
rte_eal_check_module() might return -1, which would have been a
"not false" condition for mod_available. Fix that to only report
vfio being enabled if rte_eal_check_module() returns 1.
Fixes: 221f7c220d6b ("vfio: move global config out of PCI files")
Cc: viktorin at rehivetech.com
Cc: stable at dpdk.org
Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
---
lib/librte_eal/linuxapp/eal/eal_vfio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.c b/lib/librte_eal/linuxapp/eal/eal_vfio.c
index 58f0123..fb1a622 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.c
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.c
@@ -525,7 +525,7 @@ rte_vfio_enable(const char *modname)
int
rte_vfio_is_enabled(const char *modname)
{
- const int mod_available = rte_eal_check_module(modname);
+ const int mod_available = rte_eal_check_module(modname) > 0;
return vfio_cfg.vfio_enabled && mod_available;
}
--
2.7.4
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