[PATCH] staging: line6: use kstrtoint() instead of simple_strtoul()

[Laurent Navet [Mali]]

From: "Laurent Navet [Mali]" <laurent.navet@xxxxxxxxx>

staging: line6: pcm.c
	call to obsolete simple_strtoul() function is replaced
        by kstrtoint() in pcm_set_impulse_period().
	Also check the return code.

Signed-off-by: Laurent Navet [Mali] <laurent.navet@xxxxxxxxx>
---
 drivers/staging/line6/pcm.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/line6/pcm.c b/drivers/staging/line6/pcm.c
index a0ce781..876ab89 100644
--- a/drivers/staging/line6/pcm.c
+++ b/drivers/staging/line6/pcm.c
@@ -81,7 +81,13 @@ static ssize_t pcm_set_impulse_period(struct device *dev,
 				      struct device_attribute *attr,
 				      const char *buf, size_t count)
 {
-	dev2pcm(dev)->impulse_period = simple_strtoul(buf, NULL, 10);
+        int value;
+        int rv;
+        rv = kstrtoint(buf, 10, &value);
+        if (rv < 0)
+		return rv;
+
+	dev2pcm(dev)->impulse_period = value;
 	return count;
 }
 
-- 
1.7.10.4

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