Message ID | 49A66E2D.3060204@arvoo.nl (mailing list archive) |
---|---|
State | Accepted, archived |
Delegated to: | Kumar Gala |
Headers | show |
On Thu, 26 Feb 2009, Rini van Zetten wrote: > This patch fixes a wrong check on num_txbdfree. It could lead to num_txbdfree > become nagative. > Result was that the gianfar stops sending data. A quick mental note for your next patch submission: > Changes from first version : > - removed a space between parens (David Millers comment) > - full email address in signed off line Changelogs since previous versions should be ... > Signed-off-by: Rini van Zetten <rini@arvoo.nl> > --- ... here, below the `---', as they're not supposed to be end up in the final commit message. > drivers/net/gianfar.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) With kind regards, Geert Uytterhoeven Software Architect Sony Techsoft Centre Europe The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium Phone: +32 (0)2 700 8453 Fax: +32 (0)2 700 8622 E-mail: Geert.Uytterhoeven@sonycom.com Internet: http://www.sony-europe.com/ A division of Sony Europe (Belgium) N.V. VAT BE 0413.825.160 · RPR Brussels Fortis · BIC GEBABEBB · IBAN BE41293037680010
On Thu, Feb 26, 2009 at 4:25 AM, Rini van Zetten <rini@arvoo.nl> wrote: > This patch fixes a wrong check on num_txbdfree. It could lead to > num_txbdfree become nagative. > Result was that the gianfar stops sending data. > > Changes from first version : > - removed a space between parens (David Millers comment) > - full email address in signed off line > > > Signed-off-by: Rini van Zetten <rini@arvoo.nl> Good catch. Does this solve the bug you reported earlier? Acked-by: Andy Fleming <afleming@freescale.com>
From: Andy Fleming <afleming@gmail.com> Date: Thu, 26 Feb 2009 16:07:16 -0600 > On Thu, Feb 26, 2009 at 4:25 AM, Rini van Zetten <rini@arvoo.nl> wrote: > > This patch fixes a wrong check on num_txbdfree. It could lead to > > num_txbdfree become nagative. > > Result was that the gianfar stops sending data. > > > > Changes from first version : > > - removed a space between parens (David Millers comment) > > - full email address in signed off line > > > > > > Signed-off-by: Rini van Zetten <rini@arvoo.nl> > > Good catch. Does this solve the bug you reported earlier? > > Acked-by: Andy Fleming <afleming@freescale.com> Applied, thanks.
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 7ef1ffd..2dc3bd3 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -1284,9 +1284,8 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) spin_lock_irqsave(&priv->txlock, flags); /* check if there is space to queue this packet */ - if (nr_frags > priv->num_txbdfree) { + if ((nr_frags+1) > priv->num_txbdfree) { /* no space, stop the queue */ netif_stop_queue(dev); dev->stats.tx_fifo_errors++; spin_unlock_irqrestore(&priv->txlock, flags); --
This patch fixes a wrong check on num_txbdfree. It could lead to num_txbdfree become nagative. Result was that the gianfar stops sending data. Changes from first version : - removed a space between parens (David Millers comment) - full email address in signed off line Signed-off-by: Rini van Zetten <rini@arvoo.nl> --- drivers/net/gianfar.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)