Hi,
Here's a patch against 2.4.12-ac5 that fixes a race condition in the USB
scanner driver when the device is opened. This fix is also in
2.4.13-pre6.
thanks,
greg k-h
diff --minimal -Nru a/drivers/usb/scanner.c b/drivers/usb/scanner.c
--- a/drivers/usb/scanner.c Mon Oct 22 14:43:55 2001
+++ b/drivers/usb/scanner.c Mon Oct 22 14:43:55 2001
@@ -348,6 +348,8 @@
int err=0;
+ MOD_INC_USE_COUNT;
+
down(&scn_mutex);
scn_minor = USB_SCN_MINOR(inode);
@@ -392,11 +394,13 @@
file->private_data = scn; /* Used by the read and write methods */
- MOD_INC_USE_COUNT;
out_error:
up(&(scn->sem)); /* Wake up any possible contending processes */
+
+ if (err)
+ MOD_DEC_USE_COUNT;
return err;
}
_______________________________________________
[EMAIL PROTECTED]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
