[PATCH 1/1 v2] input: usbhid: fix improper return value
flat view
STALE3593d
From: Pan Bian <hidden>
Date: 2016-12-05 11:39:33
Also in:
lkml
Subsystem:
hid core layer, the rest, usb hid/hidbp drivers (usb keyboards, mice, remote controls, ...) · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds
Function hid_post_reset() should return negative error codes on failures. However, in its implementation, it incorrectly returns 1. This patch fixes the bug, returning proper error codes on failures. Signed-off-by: Pan Bian <redacted> --- drivers/hid/usbhid/hid-core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index ae83af6..333108e 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c@@ -1459,7 +1459,7 @@ static int hid_post_reset(struct usb_interface *intf) rdesc = kmalloc(hid->dev_rsize, GFP_KERNEL); if (!rdesc) { dbg_hid("couldn't allocate rdesc memory (post_reset)\n"); - return 1; + return -ENOMEM; } status = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber,
@@ -1467,13 +1467,13 @@ static int hid_post_reset(struct usb_interface *intf) if (status < 0) { dbg_hid("reading report descriptor failed (post_reset)\n"); kfree(rdesc); - return 1; + return status; } status = memcmp(rdesc, hid->dev_rdesc, hid->dev_rsize); kfree(rdesc); if (status != 0) { dbg_hid("report descriptor changed\n"); - return 1; + return -EPERM; } /* No need to do another reset or clear a halted endpoint */
--
1.9.1