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path: root/drivers/misc/eeprom/idt_89hpesx.c
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Diffstat (limited to 'drivers/misc/eeprom/idt_89hpesx.c')
-rw-r--r--drivers/misc/eeprom/idt_89hpesx.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/misc/eeprom/idt_89hpesx.c b/drivers/misc/eeprom/idt_89hpesx.c
index 1d1f30b5c4..d807d08e26 100644
--- a/drivers/misc/eeprom/idt_89hpesx.c
+++ b/drivers/misc/eeprom/idt_89hpesx.c
@@ -905,7 +905,7 @@ static ssize_t idt_dbgfs_csr_write(struct file *filep, const char __user *ubuf,
{
struct idt_89hpesx_dev *pdev = filep->private_data;
char *colon_ch, *csraddr_str, *csrval_str;
- int ret, csraddr_len;
+ int ret;
u32 csraddr, csrval;
char *buf;
@@ -927,21 +927,16 @@ static ssize_t idt_dbgfs_csr_write(struct file *filep, const char __user *ubuf,
* no new CSR value
*/
if (colon_ch != NULL) {
- csraddr_len = colon_ch - buf;
- csraddr_str =
- kmalloc(csraddr_len + 1, GFP_KERNEL);
+ /* Copy the register address to the substring buffer */
+ csraddr_str = kmemdup_nul(buf, colon_ch - buf, GFP_KERNEL);
if (csraddr_str == NULL) {
ret = -ENOMEM;
goto free_buf;
}
- /* Copy the register address to the substring buffer */
- strncpy(csraddr_str, buf, csraddr_len);
- csraddr_str[csraddr_len] = '\0';
/* Register value must follow the colon */
csrval_str = colon_ch + 1;
} else /* if (str_colon == NULL) */ {
csraddr_str = (char *)buf; /* Just to shut warning up */
- csraddr_len = strnlen(csraddr_str, count);
csrval_str = NULL;
}