Dear Linux kernel code maintainer,
on rechecking the current stable kernel code, I found some places where jiffies
were compared in a way that seems to break when they wrap. For these,
I made up patches to use the macros "time_before()" or "time_after()"
that are supposed to handle wraparound correctly.
For a small part of the patches, I believe you to be the relevant kernel code
maintainer. Appended to this email you will find some lines explaining
why I decided to mail or cc: you on this (an extract of the copyright notice
or the MAINTAINERS file), followed by the patch itself. If I mailed you
in error, please drop me a short note.
I kindly ask you to approve the correctness of the patch, and pass it on to
the relevant people for inclusion into the mainline kernel.
Thanks,
Tim Schmielau ([EMAIL PROTECTED])
USB EHCI DRIVER
P: David Brownell
M: [EMAIL PROTECTED]
L: [EMAIL PROTECTED]
S: Maintained
--- linux-2.4.20-pre6/drivers/usb/hcd/ehci-hub.c Sat Aug 3 02:39:44 2002
+++ linux-2.4.20-pre6-jfix/drivers/usb/hcd/ehci-hub.c Wed Sep 11 12:59:43 2002
@@ -236,7 +236,7 @@
/* whoever resets must GetPortStatus to complete it!! */
if ((temp & PORT_RESET)
- && jiffies > ehci->reset_done [wIndex]) {
+ && time_after(jiffies, ehci->reset_done [wIndex])) {
status |= 1 << USB_PORT_FEAT_C_RESET;
/* force reset to complete */
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