RE: [PATCH] Avoid switch on long long in s2io driver
From: Ramkrishna Vepa <hidden>
Date: 2007-05-30 19:53:24
Patch looks good. Yes, please add a comment as to reason for cast. Ram
-----Original Message----- From: netdev-owner@vger.kernel.org
[mailto:netdev-owner@vger.kernel.org]
On Behalf Of Michael Buesch Sent: Saturday, May 26, 2007 10:04 AM To: Andreas Schwab Cc: netdev@vger.kernel.org Subject: Re: [PATCH] Avoid switch on long long in s2io driver On Saturday 26 May 2007 10:58:15 Andreas Schwab wrote:quoted
A switch on long long causes gcc to generate a reference to
__ucmpdi2 on
quoted
ppc32. Avoid that by casting to int, since the value is only a
small
quoted
integer anyway. Signed-off-by: Andreas Schwab <redacted> --- drivers/net/s2io.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: linux-2.6.22-rc1/drivers/net/s2io.c ===================================================================--- linux-2.6.22-rc1.orig/drivers/net/s2io.c 2007-05-1311:03:28.000000000 +0200quoted
+++ linux-2.6.22-rc1/drivers/net/s2io.c 2007-05-13
12:52:49.000000000
+0200quoted
@@ -2898,7 +2898,7 @@ static void tx_intr_handler(struct fifo_ /* update t_code statistics */ err >>= 48; - switch(err) { + switch((int)err) {Hm, maybe add a comment, too? This cast looks redundant at the first look and someone who doesn't understand it might submit a patch to remove it again.quoted
case 2:
nic->mac_control.stats_info->sw_stat.
quoted
tx_buf_abort_cnt++;
quoted
@@ -6825,7 +6825,7 @@ static int rx_osm_handler(struct ring_in
sp->mac_control.stats_info->sw_stat.parity_err_cnt++;
quoted
} err >>= 48; - switch(err) { + switch((int)err) { case 1: sp->mac_control.stats_info->sw_stat. rx_parity_err_cnt++; Andreas.-- Greetings Michael. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html