| Message ID | 1371656071-27754-5-git-send-email-Dean_Jenkins@mentor.com |
|---|---|
| State | Changes Requested, archived |
| Delegated to: | David Miller |
| Headers | show |
diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c index f7303e0..e2eff84 100644 --- a/drivers/net/slip/slip.c +++ b/drivers/net/slip/slip.c @@ -395,6 +395,10 @@ static void sl_encaps(struct slip *sl, unsigned char *icp, int len) #endif count = slip_esc(p, sl->xbuff, len); + if (sl->xleft) + printk(KERN_ERR "%s: ERROR: xleft is non-zero %d\n", + __func__, sl->xleft); + /* ensure xleft set by the previous SLIP frame is zero for this frame * otherwise slip_write_wakeup() can cause a recursive loop. */
Add a printk to show when xleft is non-zero in sl_encaps. The idea is to see whether a previous SLIP frame failed to be fully transmitted. Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com> --- drivers/net/slip/slip.c | 4 ++++ 1 file changed, 4 insertions(+)