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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-04 13:01:48 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-04 13:01:48 +0200
commit40abbef1c9af849fcdd23a7061b3f9a29067067b (patch)
tree3282a38a6c11f2572af4ff782b058a3fb0504870 /drivers/usb
parentde4ad1b157eb4b72aada89a18ec9864e8f711754 (diff)
downloadlinux-40abbef1c9af849fcdd23a7061b3f9a29067067b.tar.bz2
Revert "usb:gadget Simplify usb_decode_get_set_descriptor function."
This reverts commit c2af6b07803ebd099950cd608f404a7bff9037b2. It's broken. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Felipe Balbi <balbi@kernel.org> Cc: Pawel Laszczak <pawell@cadence.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/debug.c113
1 files changed, 55 insertions, 58 deletions
diff --git a/drivers/usb/gadget/debug.c b/drivers/usb/gadget/debug.c
index 92a986aeaa5d..60a9f70a0904 100644
--- a/drivers/usb/gadget/debug.c
+++ b/drivers/usb/gadget/debug.c
@@ -105,65 +105,62 @@ static void usb_decode_get_set_descriptor(__u8 bRequestType, __u8 bRequest,
__u16 wValue, __u16 wIndex,
__u16 wLength, char *str, size_t size)
{
- char *s;
-
- switch (wValue >> 8) {
- case USB_DT_DEVICE:
- s = "Device";
- break;
- case USB_DT_CONFIG:
- s = "Configuration";
- break;
- case USB_DT_STRING:
- s = "String";
- break;
- case USB_DT_INTERFACE:
- s = "Interface";
- break;
- case USB_DT_ENDPOINT:
- s = "Endpoint";
- break;
- case USB_DT_DEVICE_QUALIFIER:
- s = "Device Qualifier";
- break;
- case USB_DT_OTHER_SPEED_CONFIG:
- s = "Other Speed Config";
- break;
- case USB_DT_INTERFACE_POWER:
- s = "Interface Power";
- break;
- case USB_DT_OTG:
- s = "OTG";
- break;
- case USB_DT_DEBUG:
- s = "Debug";
- break;
- case USB_DT_INTERFACE_ASSOCIATION:
- s = "Interface Association";
- break;
- case USB_DT_BOS:
- s = "BOS";
- break;
- case USB_DT_DEVICE_CAPABILITY:
- s = "Device Capability";
- break;
- case USB_DT_PIPE_USAGE:
- s = "Pipe Usage";
- break;
- case USB_DT_SS_ENDPOINT_COMP:
- s = "SS Endpoint Companion";
- break;
- case USB_DT_SSP_ISOC_ENDPOINT_COMP:
- s = "SSP Isochronous Endpoint Companion";
- break;
- default:
- s = "UNKNOWN";
- break;
- }
-
snprintf(str, size, "%s %s Descriptor(Index = %d, Length = %d)",
- bRequest == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set",
- s, wValue & 0xff, wLength);
+ bRequest == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set",
+ ({ char *s;
+ switch (wValue >> 8) {
+ case USB_DT_DEVICE:
+ s = "Device";
+ break;
+ case USB_DT_CONFIG:
+ s = "Configuration";
+ break;
+ case USB_DT_STRING:
+ s = "String";
+ break;
+ case USB_DT_INTERFACE:
+ s = "Interface";
+ break;
+ case USB_DT_ENDPOINT:
+ s = "Endpoint";
+ break;
+ case USB_DT_DEVICE_QUALIFIER:
+ s = "Device Qualifier";
+ break;
+ case USB_DT_OTHER_SPEED_CONFIG:
+ s = "Other Speed Config";
+ break;
+ case USB_DT_INTERFACE_POWER:
+ s = "Interface Power";
+ break;
+ case USB_DT_OTG:
+ s = "OTG";
+ break;
+ case USB_DT_DEBUG:
+ s = "Debug";
+ break;
+ case USB_DT_INTERFACE_ASSOCIATION:
+ s = "Interface Association";
+ break;
+ case USB_DT_BOS:
+ s = "BOS";
+ break;
+ case USB_DT_DEVICE_CAPABILITY:
+ s = "Device Capability";
+ break;
+ case USB_DT_PIPE_USAGE:
+ s = "Pipe Usage";
+ break;
+ case USB_DT_SS_ENDPOINT_COMP:
+ s = "SS Endpoint Companion";
+ break;
+ case USB_DT_SSP_ISOC_ENDPOINT_COMP:
+ s = "SSP Isochronous Endpoint Companion";
+ break;
+ default:
+ s = "UNKNOWN";
+ break;
+ } s; }), wValue & 0xff, wLength);
}
static void usb_decode_get_configuration(__u16 wLength, char *str, size_t size)