ChangeSet 1.1722.97.69, 2004/06/11 17:06:09-07:00, [EMAIL PROTECTED]
[PATCH] USB: retry string fetches on ZLPs not just STALLs
This matches the behavior for other descriptor fetches.
Signed-off-by: David Brownell <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
drivers/usb/core/message.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -Nru a/drivers/usb/core/message.c b/drivers/usb/core/message.c
--- a/drivers/usb/core/message.c Fri Jun 18 10:54:50 2004
+++ b/drivers/usb/core/message.c Fri Jun 18 10:54:50 2004
@@ -1320,7 +1320,7 @@
*/
err = usb_get_string(dev, dev->string_langid, index, tbuf, 2);
- if (err == -EPIPE) {
+ if (err == -EPIPE || err == 0) {
dev_dbg(&dev->dev, "RETRY string %d read/%d\n", index, 2);
err = usb_get_string(dev, dev->string_langid, index, tbuf, 2);
}
@@ -1329,7 +1329,7 @@
len=tbuf[0];
err = usb_get_string(dev, dev->string_langid, index, tbuf, len);
- if (err == -EPIPE) {
+ if (err == -EPIPE || err == 0) {
dev_dbg(&dev->dev, "RETRY string %d read/%d\n", index, len);
err = usb_get_string(dev, dev->string_langid, index, tbuf, len);
}
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