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authorDan Williams <dan.j.williams@intel.com>2016-02-15 09:22:36 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2016-02-16 16:28:50 +0000
commit82ec2ba2b18109e134f0d4ace69b0c9c253b6d17 (patch)
tree7171a1196bb47792b0475da453da94fd6cdaee9c /drivers/nvdimm/bus.c
parent92e963f50fc74041b5e9e744c330dca48e04f08d (diff)
downloadlinux-82ec2ba2b18109e134f0d4ace69b0c9c253b6d17.tar.bz2
ARM: 8522/1: drivers: nvdimm: ensure no negative value gets returned on positive match
This patch ensures that existing bus match callbacks don't return negative values (which might be interpreted as potential errors in the future) in case of positive match. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/nvdimm/bus.c')
-rw-r--r--drivers/nvdimm/bus.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 7e2c43f701bc..2b2181cdeb63 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -62,7 +62,7 @@ static int nvdimm_bus_match(struct device *dev, struct device_driver *drv)
{
struct nd_device_driver *nd_drv = to_nd_device_driver(drv);
- return test_bit(to_nd_device_type(dev), &nd_drv->type);
+ return !!test_bit(to_nd_device_type(dev), &nd_drv->type);
}
static struct module *to_bus_provider(struct device *dev)