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[S390] qdio: remove incorrect memset

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Remove the memset since zeroing the string is not needed and use
snprintf instead of sprintf.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Jan Glauber 2008-10-28 11:10:14 +01:00 committed by Martin Schwidefsky
parent 7c045aa2c8
commit 2c78091405
1 changed files with 6 additions and 13 deletions
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19
drivers/s390/cio/qdio_debug.c
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@ -20,6 +20,7 @@ static struct dentry *debugfs_root;
#define MAX_DEBUGFS_QUEUES 32
static struct dentry *debugfs_queues[MAX_DEBUGFS_QUEUES] = { NULL };
static DEFINE_MUTEX(debugfs_mutex);
#define QDIO_DEBUGFS_NAME_LEN 40
void qdio_allocate_do_dbf(struct qdio_initialize *init_data)
{
@ -152,17 +153,6 @@ static int qstat_seq_open(struct inode *inode, struct file *filp)
filp->f_path.dentry->d_inode->i_private);
}
static void get_queue_name(struct qdio_q *q, struct ccw_device *cdev, char *name)
{
memset(name, 0, sizeof(name));
sprintf(name, "%s", dev_name(&cdev->dev));
if (q->is_input_q)
sprintf(name + strlen(name), "_input");
else
sprintf(name + strlen(name), "_output");
sprintf(name + strlen(name), "_%d", q->nr);
}
static void remove_debugfs_entry(struct qdio_q *q)
{
int i;
@ -189,14 +179,17 @@ static struct file_operations debugfs_fops = {
static void setup_debugfs_entry(struct qdio_q *q, struct ccw_device *cdev)
{
int i = 0;
char name[40];
char name[QDIO_DEBUGFS_NAME_LEN];
while (debugfs_queues[i] != NULL) {
i++;
if (i >= MAX_DEBUGFS_QUEUES)
return;
}
get_queue_name(q, cdev, name);
snprintf(name, QDIO_DEBUGFS_NAME_LEN, "%s_%s_%d",
dev_name(&cdev->dev),
q->is_input_q ? "input" : "output",
q->nr);
debugfs_queues[i] = debugfs_create_file(name, S_IFREG | S_IRUGO | S_IWUSR,
debugfs_root, q, &debugfs_fops);
}