diff mbox

[3/4] drivers/mmc/host/omap_hsmmc.c: fix error return code

Message ID 1347869728-2696-3-git-send-email-peter.senna@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Peter Senna Tschudin Sept. 17, 2012, 8:15 a.m. UTC 
From: Peter Senna Tschudin <peter.senna@gmail.com>

Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
---
 drivers/mmc/host/omap_hsmmc.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Venkatraman S Sept. 17, 2012, 6:11 p.m. UTC | #1 
On Mon, Sep 17, 2012 at 1:45 PM, Peter Senna Tschudin
<peter.senna@gmail.com> wrote:
> From: Peter Senna Tschudin <peter.senna@gmail.com>
>
> Convert a nonnegative error return code to a negative one, as returned
> elsewhere in the function.
>
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> (
> if@p1 (\(ret < 0\|ret != 0\))
>  { ... return ret; }
> |
> ret@p1 = 0
> )
> ... when != ret = e1
>     when != &ret
> *if(...)
> {
>   ... when != ret = e2
>       when forall
>  return ret;
> }
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>

Looks good.
Acked-by: Venkatraman S <svenkatr@ti.com>
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diff mbox

Patch

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index e59ac62..c8a2b36 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1893,6 +1893,7 @@  static int __devinit omap_hsmmc_probe(struct platform_device *pdev)
 		if (pdata->init(&pdev->dev) != 0) {
 			dev_dbg(mmc_dev(host->mmc),
 				"Unable to configure MMC IRQs\n");
+			ret = -ENXIO;
 			goto err_irq_cd_init;
 		}
 	}