| From | Ben Hutchings <> | Date | Sat, 09 Sep 2017 22:47:14 +0100 | Subject | [PATCH 3.16 034/233] uio: add missing error codes |
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3.16.48-rc1 review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter <dan.carpenter@oracle.com>
commit 0320a278b9ef80cfa44f74b7f9bb36781695f3ee upstream.
My static checker complains that "ret" could be uninitialized at the end, which is true but it's more likely that it would be set to zero.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/uio/uio.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)
--- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -283,12 +283,16 @@ static int uio_dev_add_attributes(struct map_found = 1; idev->map_dir = kobject_create_and_add("maps", &idev->dev->kobj); - if (!idev->map_dir) + if (!idev->map_dir) { + ret = -ENOMEM; goto err_map; + } } map = kzalloc(sizeof(*map), GFP_KERNEL); - if (!map) + if (!map) { + ret = -ENOMEM; goto err_map_kobj; + } kobject_init(&map->kobj, &map_attr_type); map->mem = mem; mem->map = map; @@ -308,12 +312,16 @@ static int uio_dev_add_attributes(struct portio_found = 1; idev->portio_dir = kobject_create_and_add("portio", &idev->dev->kobj); - if (!idev->portio_dir) + if (!idev->portio_dir) { + ret = -ENOMEM; goto err_portio; + } } portio = kzalloc(sizeof(*portio), GFP_KERNEL); - if (!portio) + if (!portio) { + ret = -ENOMEM; goto err_portio_kobj; + } kobject_init(&portio->kobj, &portio_attr_type); portio->port = port; port->portio = portio;
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