diff options
| author | Varka Bhadram <varkabhadram@gmail.com> | 2014-12-29 14:09:01 +0530 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-01-15 17:23:21 +0100 |
| commit | ffe4770b9b3483f74bccd0566fd1013ddc1b6d6b (patch) | |
| tree | df30d8826003036cfc96b036bbeb61d0724eecc2 | |
| parent | da9df93e9e0fd1d8c14315c6c0f989a30c291a11 (diff) | |
gpio-amd8111: check ioport_map return value
ioport_map() may fail. Its safe to check the return value.
Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/gpio/gpio-amd8111.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-amd8111.c b/drivers/gpio/gpio-amd8111.c index d3d2d1099f64..2c4d9ab34acc 100644 --- a/drivers/gpio/gpio-amd8111.c +++ b/drivers/gpio/gpio-amd8111.c @@ -213,6 +213,11 @@ found: goto out; } gp.pm = ioport_map(gp.pmbase + PMBASE_OFFSET, PMBASE_SIZE); + if (!gp.pm) { + dev_err(&pdev->dev, "Couldn't map io port into io memory\n"); + err = -ENOMEM; + goto out; + } gp.pdev = pdev; gp.chip.dev = &pdev->dev; |