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authorDan Carpenter <dan.carpenter@linaro.org>2023-10-05 16:01:05 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-10-08 07:50:36 +0200
commit0f5aa1b01263b8b621bc4f031a1f2983ef8517b7 (patch)
treecf1f0f24e55b11eadfc43f34361f0dfc4705cc50 /drivers/usb/misc/usbtest.c
parentusbip: Use platform_device_register_full() (diff)
downloadlinux-0f5aa1b01263b8b621bc4f031a1f2983ef8517b7.tar.xz
linux-0f5aa1b01263b8b621bc4f031a1f2983ef8517b7.zip
usb: usbtest: fix a type promotion bug
The "len" here is sometimes negative error codes from usb_get_descriptor(), so we don't want to type promote them to unsigned long. This bug pre-dates the invention of git. Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/r/506f7935-2cba-41d9-ab5d-ddb6ad6320bd@moroto.mountain Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/misc/usbtest.c')
-rw-r--r--drivers/usb/misc/usbtest.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index ac0d75ac2d2f..caf65f8294db 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -705,7 +705,7 @@ static int is_good_config(struct usbtest_dev *tdev, int len)
{
struct usb_config_descriptor *config;
- if (len < sizeof(*config))
+ if (len < (int)sizeof(*config))
return 0;
config = (struct usb_config_descriptor *) tdev->buf;