rapidio: fix the missed put_device() for rio_mport_add_riodev

[ Upstream commit 85094c05eeb47d195a74a25366a2db066f1c9d47 ]

rio_mport_add_riodev() misses to call put_device() when the device already
exists.  Add the missed function call to fix it.

Fixes: e8de370188 ("rapidio: add mport char device driver")
Signed-off-by: Jing Xiangfeng <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Dan Carpenter <[email protected]>
Cc: Matt Porter <[email protected]>
Cc: Alexandre Bounine <[email protected]>
Cc: Gustavo A. R. Silva <[email protected]>
Cc: John Hubbard <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Madhuparna Bhowmik <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Jing Xiangfeng 2020-10-15 20:13:18 -07:00 • committed by Greg Kroah-Hartman
commit fe1936208e

View file

@ -1683,6 +1683,7 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv,
struct rio_dev *rdev;
struct rio_switch *rswitch = NULL;
struct rio_mport *mport;
struct device *dev;
size_t size;
u32 rval;
u32 swpinfo = 0;
@ -1697,8 +1698,10 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv,
rmcd_debug(RDEV, "name:%s ct:0x%x did:0x%x hc:0x%x", dev_info.name,
dev_info.comptag, dev_info.destid, dev_info.hopcount);
if (bus_find_device_by_name(&rio_bus_type, NULL, dev_info.name)) {
dev = bus_find_device_by_name(&rio_bus_type, NULL, dev_info.name);
if (dev) {
rmcd_debug(RDEV, "device %s already exists", dev_info.name);
put_device(dev);
return -EEXIST;
}