The following issues were found

drivers/input/touchscreen/fujitsu_ts.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 31 Column: 11 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct input_dev *dev;
	struct serio *serio;
	int idx;
	unsigned char data[FUJITSU_LENGTH];
	char phys[32];
};

/*
 * Decode serial data (5 bytes per packet)

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 32 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct serio *serio;
	int idx;
	unsigned char data[FUJITSU_LENGTH];
	char phys[32];
};

/*
 * Decode serial data (5 bytes per packet)
 * First byte

Reported by FlawFinder.

drivers/input/touchscreen/gunze.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 40 Column: 11 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct input_dev *dev;
	struct serio *serio;
	int idx;
	unsigned char data[GUNZE_MAX_LENGTH];
	char phys[32];
};

static void gunze_process_packet(struct gunze *gunze)
{

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 41 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct serio *serio;
	int idx;
	unsigned char data[GUNZE_MAX_LENGTH];
	char phys[32];
};

static void gunze_process_packet(struct gunze *gunze)
{
	struct input_dev *dev = gunze->dev;

Reported by FlawFinder.

drivers/input/touchscreen/hampshire.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 53 Column: 11 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct input_dev *dev;
	struct serio *serio;
	int idx;
	unsigned char data[HAMPSHIRE_FORMAT_LENGTH];
	char phys[32];
};

static void hampshire_process_data(struct hampshire *phampshire)
{

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 54 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct serio *serio;
	int idx;
	unsigned char data[HAMPSHIRE_FORMAT_LENGTH];
	char phys[32];
};

static void hampshire_process_data(struct hampshire *phampshire)
{
	struct input_dev *dev = phampshire->dev;

Reported by FlawFinder.

drivers/input/touchscreen/inexio.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 56 Column: 11 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct input_dev *dev;
	struct serio *serio;
	int idx;
	unsigned char data[INEXIO_MAX_LENGTH];
	char phys[32];
};

static void inexio_process_data(struct inexio *pinexio)
{

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 57 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct serio *serio;
	int idx;
	unsigned char data[INEXIO_MAX_LENGTH];
	char phys[32];
};

static void inexio_process_data(struct inexio *pinexio)
{
	struct input_dev *dev = pinexio->dev;

Reported by FlawFinder.

drivers/input/touchscreen/mtouch.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 57 Column: 11 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct input_dev *dev;
	struct serio *serio;
	int idx;
	unsigned char data[MTOUCH_MAX_LENGTH];
	char phys[32];
};

static void mtouch_process_format_tablet(struct mtouch *mtouch)
{

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 58 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct serio *serio;
	int idx;
	unsigned char data[MTOUCH_MAX_LENGTH];
	char phys[32];
};

static void mtouch_process_format_tablet(struct mtouch *mtouch)
{
	struct input_dev *dev = mtouch->dev;

Reported by FlawFinder.

drivers/input/touchscreen/penmount.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 54 Column: 11 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct input_dev *dev;
	struct serio *serio;
	int idx;
	unsigned char data[PM_MAX_LENGTH];
	char phys[32];
	unsigned char packetsize;
	unsigned char maxcontacts;
	struct mt_slot slots[PM_MAX_MTSLOT];
	void (*parse_packet)(struct pm *);

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 55 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct serio *serio;
	int idx;
	unsigned char data[PM_MAX_LENGTH];
	char phys[32];
	unsigned char packetsize;
	unsigned char maxcontacts;
	struct mt_slot slots[PM_MAX_MTSLOT];
	void (*parse_packet)(struct pm *);
};

Reported by FlawFinder.

drivers/input/touchscreen/silead.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 71 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct gpio_desc *gpio_power;
	struct input_dev *input;
	struct regulator_bulk_data regulators[2];
	char fw_name[64];
	struct touchscreen_properties prop;
	u32 max_fingers;
	u32 chip_id;
	struct input_mt_pos pos[SILEAD_MAX_FINGERS];
	int slots[SILEAD_MAX_FINGERS];

Reported by FlawFinder.

strlen - Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected)
Security

Line: 471 Column: 19 CWE codes: 126 

              		snprintf(data->fw_name, sizeof(data->fw_name),
			 "silead/%s.fw", acpi_id->id);

		for (i = 0; i < strlen(data->fw_name); i++)
			data->fw_name[i] = tolower(data->fw_name[i]);
	} else {
		snprintf(data->fw_name, sizeof(data->fw_name),
			 "silead/%s.fw", id->name);
	}

Reported by FlawFinder.

drivers/input/touchscreen/sun4i-ts.c
2 issues
sprintf - Does not check for buffer overflows
Security

Line: 215 Column: 9 CWE codes: 120
Suggestion: Use sprintf_s, snprintf, or vsnprintf 

              	if (error)
		return error;

	return sprintf(buf, "%d\n", temp);
}

static ssize_t show_temp_label(struct device *dev,
			      struct device_attribute *devattr, char *buf)
{

Reported by FlawFinder.

sprintf - Does not check for buffer overflows
Security

Line: 221 Column: 9 CWE codes: 120
Suggestion: Use sprintf_s, snprintf, or vsnprintf 

              static ssize_t show_temp_label(struct device *dev,
			      struct device_attribute *devattr, char *buf)
{
	return sprintf(buf, "SoC temperature\n");
}

static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
static DEVICE_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL);

Reported by FlawFinder.

drivers/input/touchscreen/touchit213.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 78 Column: 11 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct serio *serio;
	int idx;
	unsigned char csum;
	unsigned char data[5];
	char phys[32];
};

static irqreturn_t touchit213_interrupt(struct serio *serio,
		unsigned char data, unsigned int flags)

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 79 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	int idx;
	unsigned char csum;
	unsigned char data[5];
	char phys[32];
};

static irqreturn_t touchit213_interrupt(struct serio *serio,
		unsigned char data, unsigned int flags)
{

Reported by FlawFinder.

drivers/input/touchscreen/touchright.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 49 Column: 11 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct input_dev *dev;
	struct serio *serio;
	int idx;
	unsigned char data[TR_LENGTH];
	char phys[32];
};

static irqreturn_t tr_interrupt(struct serio *serio,
		unsigned char data, unsigned int flags)

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 50 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct serio *serio;
	int idx;
	unsigned char data[TR_LENGTH];
	char phys[32];
};

static irqreturn_t tr_interrupt(struct serio *serio,
		unsigned char data, unsigned int flags)
{

Reported by FlawFinder.