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HID: elo: fix memory leak in elo_probe
authorDongliang Mu <mudongliangabcd@gmail.com>
Sat, 22 Jan 2022 09:48:26 +0000 (17:48 +0800)
committerJiri Kosina <jkosina@suse.cz>
Mon, 24 Jan 2022 08:03:21 +0000 (09:03 +0100)
commit817b8b9c5396d2b2d92311b46719aad5d3339dbe
tree7ef55414bc457869230f3304dd049eacb0133ad1tree | snapshot
parente26a78057c25dd56f112d536319c38735ed92ba4commit | diff
HID: elo: fix memory leak in elo_probe

When hid_parse() in elo_probe() fails, it forgets to call usb_put_dev to
decrease the refcount.

Fix this by adding usb_put_dev() in the error handling code of elo_probe().

Fixes: fbf42729d0e9 ("HID: elo: update the reference count of the usb device structure")
Reported-by: syzkaller <syzkaller@googlegroups.com>
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
drivers/hid/hid-elo.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git