Commit d0e68ce1 authored by Heena Sirwani's avatar Heena Sirwani Committed by Greg Kroah-Hartman
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Staging: iio: Documentation: Added check for sscanf return value. 



The following patch fixes the following checkpatch.pl warning by adding
a check for sscanf return value.
WARNING: unchecked sscanf return value.

Signed-off-by: default avatarHeena Sirwani <heenasirwani@gmail.com>
Acked-by: default avatarDaniel Baluta <daniel.baluta@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent edead9b1

drivers/staging/iio/Documentation/lsiio.c

+8 −2
Original line number Diff line number Diff line
@@ -63,9 +63,12 @@ static int dump_one_device(const char *dev_dir_name) 
{

	char name[IIO_MAX_NAME_LENGTH];

	int dev_idx;

	int retval;



	sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device),

	retval = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device),

			"%i", &dev_idx);

	if (retval != 1)

		return -EINVAL;

	read_sysfs_string("name", dev_dir_name, name);

	printf("Device %03d: %s\n", dev_idx, name);
@@ -78,9 +81,12 @@ static int dump_one_trigger(const char *dev_dir_name) 
{

	char name[IIO_MAX_NAME_LENGTH];

	int dev_idx;

	int retval;



	sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger),

	retval = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger),

			"%i", &dev_idx);

	if (retval != 1)

		return -EINVAL;

	read_sysfs_string("name", dev_dir_name, name);

	printf("Trigger %03d: %s\n", dev_idx, name);

	return 0;