diff options
| author |   Amit Kushwaha <akkushwaha9896@gmail.com> | 2016-12-06 10:19:48 -0800 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2016-12-16 06:53:55 -0800 |
| commit | b6621df5c87603310c3f94903bb30adbfeb9aa69 (patch) | |
| tree | 8c7fb64a26c3e6fb6137910786f97f6c934cbe19 /drivers/watchdog/cpwd.c | |
| parent | watchdog: da9062/61: watchdog driver (diff) | |
| download | linux-dev-b6621df5c87603310c3f94903bb30adbfeb9aa69.tar.xz linux-dev-b6621df5c87603310c3f94903bb30adbfeb9aa69.zip | |
watchdog: cpwd: remove memory allocate failure message
Replaced goto with a return statement and dropped the kfree()
calls because memory allocated with devm_kzalloc() is
automatically freed on driver detach
Signed-off-by: Amit Kushwaha <akkushwaha9896@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/watchdog/cpwd.c')
| -rw-r--r-- | drivers/watchdog/cpwd.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c index 71ee07950e63..3d43775548e5 100644 --- a/drivers/watchdog/cpwd.c +++ b/drivers/watchdog/cpwd.c @@ -538,12 +538,9 @@ static int cpwd_probe(struct platform_device *op) if (cpwd_device) return -EINVAL; - p = kzalloc(sizeof(*p), GFP_KERNEL); - err = -ENOMEM; - if (!p) { - pr_err("Unable to allocate struct cpwd\n"); - goto out; - } + p = devm_kzalloc(&op->dev, sizeof(*p), GFP_KERNEL); + if (!p) + return -ENOMEM; p->irq = op->archdata.irqs[0]; @@ -553,12 +550,12 @@ static int cpwd_probe(struct platform_device *op) 4 * WD_TIMER_REGSZ, DRIVER_NAME); if (!p->regs) { pr_err("Unable to map registers\n"); - goto out_free; + return -ENOMEM; } options = of_find_node_by_path("/options"); - err = -ENODEV; if (!options) { + err = -ENODEV; pr_err("Unable to find /options node\n"); goto out_iounmap; } @@ -620,10 +617,7 @@ static int cpwd_probe(struct platform_device *op) platform_set_drvdata(op, p); cpwd_device = p; - err = 0; - -out: - return err; + return 0; out_unregister: for (i--; i >= 0; i--) @@ -632,9 +626,7 @@ out_unregister: out_iounmap: of_iounmap(&op->resource[0], p->regs, 4 * WD_TIMER_REGSZ); -out_free: - kfree(p); - goto out; + return err; } static int cpwd_remove(struct platform_device *op) @@ -659,7 +651,6 @@ static int cpwd_remove(struct platform_device *op) free_irq(p->irq, p); of_iounmap(&op->resource[0], p->regs, 4 * WD_TIMER_REGSZ); - kfree(p); cpwd_device = NULL; |