Jiri Benc wrote:
When the hardware header size is a multiple of HH_DATA_MOD, HH_DATA_OFF()
incorrectly returns HH_DATA_MOD (instead of 0).
Signed-off-by: Jiri Benc <[email protected]>
--- linux/include/linux/netdevice.h
+++ work/include/linux/netdevice.h
@@ -204,7 +209,7 @@
/* cached hardware header; allow for machine alignment needs. */
#define HH_DATA_MOD 16
#define HH_DATA_OFF(__len) \
- (HH_DATA_MOD - ((__len) & (HH_DATA_MOD - 1)))
+ (HH_DATA_MOD - (((__len - 1) & (HH_DATA_MOD - 1)) + 1))
#define HH_DATA_ALIGN(__len) \
(((__len)+(HH_DATA_MOD-1))&~(HH_DATA_MOD - 1))
unsigned long hh_data[HH_DATA_ALIGN(LL_MAX_HEADER) / sizeof(long)];
You'll want to run this one by DaveM. He would be the appropriate one
to merge this, since it affects all ethernet devices (net/ethernet/eth.c
uses HH_DATA_OFF macro).
I'm going over the rest of the ieee80211/ipw patches...
Jeff
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
