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stdio: Tidy up the coding style 

Bring the coding style in this file up to the current level.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2020-08-11 11:23:41 -06:00 committed by Tom Rini
parent 18c587d099
commit 4225f2f520
2 changed files with 25 additions and 21 deletions
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37
common/stdio.c
View File

@ -191,16 +191,15 @@ struct stdio_dev *stdio_get_by_name(const char *name)
return NULL;
}
struct stdio_dev* stdio_clone(struct stdio_dev *dev)
struct stdio_dev *stdio_clone(struct stdio_dev *dev)
{
struct stdio_dev *_dev;
if(!dev)
if (!dev)
return NULL;
_dev = calloc(1, sizeof(struct stdio_dev));
if(!_dev)
if (!_dev)
return NULL;
memcpy(_dev, dev, sizeof(struct stdio_dev));
@ -213,7 +212,7 @@ int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp)
struct stdio_dev *_dev;
_dev = stdio_clone(dev);
if(!_dev)
if (!_dev)
return -ENODEV;
list_add_tail(&_dev->list, &devs.list);
if (devp)
@ -227,41 +226,38 @@ int stdio_register(struct stdio_dev *dev)
return stdio_register_dev(dev, NULL);
}
/* deregister the device "devname".
* returns 0 if success, -1 if device is assigned and 1 if devname not found
*/
int stdio_deregister_dev(struct stdio_dev *dev, int force)
{
int l;
struct list_head *pos;
char temp_names[3][16];
int i;
/* get stdio devices (ListRemoveItem changes the dev list) */
for (l=0 ; l< MAX_FILES; l++) {
if (stdio_devices[l] == dev) {
for (i = 0 ; i < MAX_FILES; i++) {
if (stdio_devices[i] == dev) {
if (force) {
strcpy(temp_names[l], "nulldev");
strcpy(temp_names[i], "nulldev");
continue;
}
/* Device is assigned -> report error */
return -1;
return -EBUSY;
}
memcpy (&temp_names[l][0],
stdio_devices[l]->name,
sizeof(temp_names[l]));
memcpy(&temp_names[i][0], stdio_devices[i]->name,
sizeof(temp_names[i]));
}
list_del(&dev->list);
free(dev);
/* reassign Device list */
/* reassign device list */
list_for_each(pos, &devs.list) {
dev = list_entry(pos, struct stdio_dev, list);
for (l=0 ; l< MAX_FILES; l++) {
if(strcmp(dev->name, temp_names[l]) == 0)
stdio_devices[l] = dev;
for (i = 0 ; i < MAX_FILES; i++) {
if (strcmp(dev->name, temp_names[i]) == 0)
stdio_devices[i] = dev;
}
}
return 0;
}
@ -270,7 +266,6 @@ int stdio_deregister(const char *devname, int force)
struct stdio_dev *dev;
dev = stdio_get_by_name(devname);
if (!dev) /* device not found */
return -ENODEV;

9
include/stdio_dev.h
View File

@ -84,6 +84,15 @@ int stdio_init(void);
void stdio_print_current_devices(void);
int stdio_deregister(const char *devname, int force);
/**
* stdio_deregister_dev() - deregister the device "devname".
*
* @dev: Stdio device to deregister
* @force: true to force deregistration even if in use
*
* returns 0 on success, -EBUSY if device is assigned
*/
int stdio_deregister_dev(struct stdio_dev *dev, int force);
struct list_head *stdio_get_list(void);
struct stdio_dev *stdio_get_by_name(const char *name);