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Subject[PATCH v1 2/7] extcon: Switch to use kasprintf() instead of open coded
Date
Switch to use kasprintf() instead of open coded variant.
No functional change intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/extcon/extcon.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index c21650a92689..5ab0498be652 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -1123,7 +1123,6 @@ int extcon_dev_register(struct extcon_dev *edev)
(unsigned long)atomic_inc_return(&edev_no));

if (edev->max_supported) {
- char buf[10];
char *str;
struct extcon_cable *cable;

@@ -1137,9 +1136,7 @@ int extcon_dev_register(struct extcon_dev *edev)
for (index = 0; index < edev->max_supported; index++) {
cable = &edev->cables[index];

- snprintf(buf, 10, "cable.%d", index);
- str = kzalloc(strlen(buf) + 1,
- GFP_KERNEL);
+ str = kasprintf(GFP_KERNEL, "cable.%d", index);
if (!str) {
for (index--; index >= 0; index--) {
cable = &edev->cables[index];
@@ -1149,7 +1146,6 @@ int extcon_dev_register(struct extcon_dev *edev)

goto err_alloc_cables;
}
- strcpy(str, buf);

cable->edev = edev;
cable->cable_index = index;
@@ -1172,7 +1168,6 @@ int extcon_dev_register(struct extcon_dev *edev)
}

if (edev->max_supported && edev->mutually_exclusive) {
- char buf[80];
char *name;

/* Count the size of mutually_exclusive array */
@@ -1197,9 +1192,8 @@ int extcon_dev_register(struct extcon_dev *edev)
}

for (index = 0; edev->mutually_exclusive[index]; index++) {
- sprintf(buf, "0x%x", edev->mutually_exclusive[index]);
- name = kzalloc(strlen(buf) + 1,
- GFP_KERNEL);
+ name = kasprintf(GFP_KERNEL, "0x%x",
+ edev->mutually_exclusive[index]);
if (!name) {
for (index--; index >= 0; index--) {
kfree(edev->d_attrs_muex[index].attr.
@@ -1210,7 +1204,6 @@ int extcon_dev_register(struct extcon_dev *edev)
ret = -ENOMEM;
goto err_muex;
}
- strcpy(name, buf);
sysfs_attr_init(&edev->d_attrs_muex[index].attr);
edev->d_attrs_muex[index].attr.name = name;
edev->d_attrs_muex[index].attr.mode = 0000;
--
2.18.0
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