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Groups > linux.kernel > #1547052

[PATCH v2 2/2] drivers: net: ethernet: 3com: fix return value

From Thomas Preisner <thomas.preisner+linux@fau.de>
Newsgroups linux.kernel
Subject [PATCH v2 2/2] drivers: net: ethernet: 3com: fix return value
Date 2016-12-24 13:10 +0100
Message-ID <sRTjb-6KI-13@gated-at.bofh.it> (permalink)
References <sRJa9-6Gi-3@gated-at.bofh.it> <sRTjb-6KI-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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In some cases the return value of a failing function is not being used
and the function typhoon_init_one() returns another negative error
code instead.

Signed-off-by: Thomas Preisner <thomas.preisner+linux@fau.de>
Signed-off-by: Milan Stephan <milan.stephan+linux@fau.de>
---
 drivers/net/ethernet/3com/typhoon.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/3com/typhoon.c b/drivers/net/ethernet/3com/typhoon.c
index c88b88a..8821a24 100644
--- a/drivers/net/ethernet/3com/typhoon.c
+++ b/drivers/net/ethernet/3com/typhoon.c
@@ -2370,9 +2370,9 @@ typhoon_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	 * 4) Get the hardware address.
 	 * 5) Put the card to sleep.
 	 */
-	if (typhoon_reset(ioaddr, WaitSleep) < 0) {
+	err = typhoon_reset(ioaddr, WaitSleep);
+	if (err < 0) {
 		err_msg = "could not reset 3XP";
-		err = -EIO;
 		goto error_out_dma;
 	}
 
@@ -2386,16 +2386,16 @@ typhoon_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	typhoon_init_interface(tp);
 	typhoon_init_rings(tp);
 
-	if(typhoon_boot_3XP(tp, TYPHOON_STATUS_WAITING_FOR_HOST) < 0) {
+	err = typhoon_boot_3XP(tp, TYPHOON_STATUS_WAITING_FOR_HOST);
+	if(err < 0) {
 		err_msg = "cannot boot 3XP sleep image";
-		err = -EIO;
 		goto error_out_reset;
 	}
 
 	INIT_COMMAND_WITH_RESPONSE(&xp_cmd, TYPHOON_CMD_READ_MAC_ADDRESS);
-	if(typhoon_issue_command(tp, 1, &xp_cmd, 1, xp_resp) < 0) {
+	err = typhoon_issue_command(tp, 1, &xp_cmd, 1, xp_resp);
+	if(err < 0) {
 		err_msg = "cannot read MAC address";
-		err = -EIO;
 		goto error_out_reset;
 	}
 
@@ -2430,9 +2430,9 @@ typhoon_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if(xp_resp[0].numDesc != 0)
 		tp->capabilities |= TYPHOON_WAKEUP_NEEDS_RESET;
 
-	if(typhoon_sleep(tp, PCI_D3hot, 0) < 0) {
+	err = typhoon_sleep(tp, PCI_D3hot, 0);
+	if(err < 0) {
 		err_msg = "cannot put adapter to sleep";
-		err = -EIO;
 		goto error_out_reset;
 	}
 
-- 
2.7.4

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Thread

[PATCH] drivers: net: ethernet: 3com: fix return value Thomas Preisner <thomas.preisner+linux@fau.de> - 2016-12-24 00:10 +0100
  Re: [PATCH] drivers: net: ethernet: 3com: fix return value David Dillow <dave@thedillows.org> - 2016-12-24 02:20 +0100
    [PATCH v2 1/2] drivers: net: ethernet: 3com: fix return value Thomas Preisner <thomas.preisner+linux@fau.de> - 2016-12-24 13:10 +0100
      Re: [PATCH v2 1/2] drivers: net: ethernet: 3com: fix return value Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-12-24 20:10 +0100
        [PATCH v3 1/2] drivers: net: ethernet: 3com: fix return value Thomas Preisner <thomas.preisner+linux@fau.de> - 2016-12-25 01:40 +0100
          Re: [PATCH v3 1/2] drivers: net: ethernet: 3com: fix return value David Miller <davem@davemloft.net> - 2016-12-25 02:00 +0100
        [PATCH v3 2/2] drivers: net: ethernet: 3com: fix return value Thomas Preisner <thomas.preisner+linux@fau.de> - 2016-12-25 01:40 +0100
          Re: [PATCH v3 2/2] drivers: net: ethernet: 3com: fix return value Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-12-25 11:10 +0100
          Re: [PATCH v3 2/2] drivers: net: ethernet: 3com: fix return value David Dillow <dave@thedillows.org> - 2016-12-27 22:20 +0100
            [PATCH v4 1/2] net: 3com: typhoon: typhoon_init_one: fix incorrect return values Thomas Preisner <thomas.preisner+linux@fau.de> - 2016-12-30 03:40 +0100
              Re: [PATCH v4 1/2] net: 3com: typhoon: typhoon_init_one: fix  incorrect return values David Miller <davem@davemloft.net> - 2016-12-30 21:30 +0100
            [PATCH v4 2/2] net: 3com: typhoon: typhoon_init_one: make return values more specific Thomas Preisner <thomas.preisner+linux@fau.de> - 2016-12-30 03:40 +0100
              Re: [PATCH v4 2/2] net: 3com: typhoon: typhoon_init_one: make  return values more specific David Miller <davem@davemloft.net> - 2016-12-30 21:30 +0100
            Re: Re: [PATCH v3 2/2] drivers: net: ethernet: 3com: fix return value Thomas Preisner <thomas.preisner+linux@fau.de> - 2016-12-30 03:40 +0100
        Re: Re: [PATCH v2 1/2] drivers: net: ethernet: 3com: fix return value Thomas Preisner <thomas.preisner+linux@fau.de> - 2016-12-25 01:40 +0100
          Re: Re: [PATCH v2 1/2] drivers: net: ethernet: 3com: fix return  value David Dillow <dave@thedillows.org> - 2016-12-27 22:20 +0100
    Re: [PATCH] drivers: net: ethernet: 3com: fix return value Thomas Preisner <thomas.preisner+linux@fau.de> - 2016-12-24 13:10 +0100
      [PATCH v2 2/2] drivers: net: ethernet: 3com: fix return value Thomas Preisner <thomas.preisner+linux@fau.de> - 2016-12-24 13:10 +0100

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