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Commit fb33aa47 authored by Roberta Dobrescu's avatar Roberta Dobrescu Committed by Greg Kroah-Hartman
Browse files

staging: dgnc: Check sscanf return value 



This fixes the following checkpatch.pl warnings:
WARNING: unchecked sscanf return value

Signed-off-by: default avatarRoberta Dobrescu <roberta.dobrescu@gmail.com>
Reviewed-by: default avatarJosh Triplett <josh@joshtriplett.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f23e875f

drivers/staging/dgnc/dgnc_sysfs.c

+15 −3
Original line number Diff line number Diff line
@@ -70,7 +70,11 @@ static ssize_t dgnc_driver_debug_show(struct device_driver *ddp, char *buf) 


static ssize_t dgnc_driver_debug_store(struct device_driver *ddp, const char *buf, size_t count)

{

	sscanf(buf, "0x%x\n", &dgnc_debug);

	int ret;



	ret = sscanf(buf, "0x%x\n", &dgnc_debug);

	if (ret != 1)

		return -EINVAL;

	return count;

}

static DRIVER_ATTR(debug, (S_IRUSR | S_IWUSR), dgnc_driver_debug_show, dgnc_driver_debug_store);
@@ -83,7 +87,11 @@ static ssize_t dgnc_driver_rawreadok_show(struct device_driver *ddp, char *buf) 


static ssize_t dgnc_driver_rawreadok_store(struct device_driver *ddp, const char *buf, size_t count)

{

	sscanf(buf, "0x%x\n", &dgnc_rawreadok);

	int ret;



	ret = sscanf(buf, "0x%x\n", &dgnc_rawreadok);

	if (ret != 1)

		return -EINVAL;

	return count;

}

static DRIVER_ATTR(rawreadok, (S_IRUSR | S_IWUSR), dgnc_driver_rawreadok_show, dgnc_driver_rawreadok_store);
@@ -96,7 +104,11 @@ static ssize_t dgnc_driver_pollrate_show(struct device_driver *ddp, char *buf) 


static ssize_t dgnc_driver_pollrate_store(struct device_driver *ddp, const char *buf, size_t count)

{

	sscanf(buf, "%d\n", &dgnc_poll_tick);

	int ret;



	ret = sscanf(buf, "%d\n", &dgnc_poll_tick);

	if (ret != 1)

		return -EINVAL;

	return count;

}

static DRIVER_ATTR(pollrate, (S_IRUSR | S_IWUSR), dgnc_driver_pollrate_show, dgnc_driver_pollrate_store);