From: Benjamin Poirier <bpoirier@suse.com>
To: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>,
intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/5] e1000e: Fix error path in link detection
Date: Fri, 21 Jul 2017 11:36:23 -0700 [thread overview]
Message-ID: <20170721183627.13373-1-bpoirier@suse.com> (raw)
In-Reply-To: <20170721160937.GA22632@csclub.uwaterloo.ca>
In case of error from e1e_rphy(), the loop will exit early and "success"
will be set to true erroneously.
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
---
drivers/net/ethernet/intel/e1000e/phy.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c
index d78d47b41a71..86ff0969efb6 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.c
+++ b/drivers/net/ethernet/intel/e1000e/phy.c
@@ -1744,6 +1744,7 @@ s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
s32 ret_val = 0;
u16 i, phy_status;
+ *success = false;
for (i = 0; i < iterations; i++) {
/* Some PHYs require the MII_BMSR register to be read
* twice due to the link bit being sticky. No harm doing
@@ -1763,16 +1764,16 @@ s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
ret_val = e1e_rphy(hw, MII_BMSR, &phy_status);
if (ret_val)
break;
- if (phy_status & BMSR_LSTATUS)
+ if (phy_status & BMSR_LSTATUS) {
+ *success = true;
break;
+ }
if (usec_interval >= 1000)
msleep(usec_interval / 1000);
else
udelay(usec_interval);
}
- *success = (i < iterations);
-
return ret_val;
}
--
2.13.2
next prev parent reply other threads:[~2017-07-21 18:36 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-18 14:21 commit 16ecba59 breaks 82574L under heavy load Lennart Sorensen
2017-07-18 23:14 ` Benjamin Poirier
2017-07-19 14:19 ` Lennart Sorensen
2017-07-20 0:07 ` Benjamin Poirier
2017-07-20 14:00 ` Lennart Sorensen
2017-07-20 23:44 ` Benjamin Poirier
2017-07-21 15:27 ` Lennart Sorensen
2017-07-21 16:09 ` Lennart Sorensen
2017-07-21 18:36 ` Benjamin Poirier [this message]
2017-07-21 18:36 ` [PATCH 2/5] e1000e: Fix wrong comment related to link detection Benjamin Poirier
2017-09-19 0:13 ` [Intel-wired-lan] " Brown, Aaron F
2017-07-21 18:36 ` [PATCH 3/5] e1000e: Fix return value test Benjamin Poirier
2017-09-15 0:20 ` [Intel-wired-lan] " Brown, Aaron F
2017-07-21 18:36 ` [PATCH 4/5] e1000e: Separate signaling for link check/link up Benjamin Poirier
2017-07-21 18:50 ` Lennart Sorensen
2017-08-02 11:28 ` [Intel-wired-lan] " Neftin, Sasha
2017-08-02 14:34 ` Lennart Sorensen
2017-08-02 14:49 ` Benjamin Poirier
2017-09-15 0:27 ` Brown, Aaron F
2017-07-21 18:36 ` [PATCH 5/5] e1000e: Avoid receiver overrun interrupt bursts Benjamin Poirier
2017-07-21 18:48 ` Lennart Sorensen
2017-08-12 2:13 ` Philip Prindeville
2017-08-12 2:47 ` Philip Prindeville
2017-08-21 17:17 ` Benjamin Poirier
2017-09-15 0:38 ` [Intel-wired-lan] " Brown, Aaron F
2017-09-19 18:38 ` [5/5] " Philip Prindeville
2017-09-19 19:41 ` Benjamin Poirier
2017-10-24 17:20 ` Lennart Sorensen
2017-10-24 17:39 ` Philip Prindeville
2017-09-15 0:18 ` [Intel-wired-lan] [PATCH 1/5] e1000e: Fix error path in link detection Brown, Aaron F
2017-07-21 19:02 ` commit 16ecba59 breaks 82574L under heavy load Lennart Sorensen
2017-07-24 21:56 ` Philip Prindeville
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