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rfkill: Replace strcpy() with memcpy()

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The length of the string is calculated in order to allocate the correct
sized memory block, use the same length to copy the string.

Signed-off-by: David Laight <david.laight.linux@gmail.com>
Link: https://patch.msgid.link/20260606202633.5018-8-david.laight.linux@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
David Laight 2026-06-06 21:26:02 +01:00 committed by Johannes Berg
parent 201dd93a17
commit 4cd243ef30
1 changed files with 4 additions and 2 deletions
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6
net/rfkill/core.c
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@ -1000,6 +1000,7 @@ struct rfkill * __must_check rfkill_alloc(const char *name,
{
struct rfkill *rfkill;
struct device *dev;
size_t name_len;
if (WARN_ON(!ops))
return NULL;
@ -1013,14 +1014,15 @@ struct rfkill * __must_check rfkill_alloc(const char *name,
if (WARN_ON(type == RFKILL_TYPE_ALL || type >= NUM_RFKILL_TYPES))
return NULL;
rfkill = kzalloc(sizeof(*rfkill) + strlen(name) + 1, GFP_KERNEL);
name_len = strlen(name);
rfkill = kzalloc(sizeof(*rfkill) + name_len + 1, GFP_KERNEL);
if (!rfkill)
return NULL;
spin_lock_init(&rfkill->lock);
INIT_LIST_HEAD(&rfkill->node);
rfkill->type = type;
strcpy(rfkill->name, name);
memcpy(rfkill->name, name, name_len);
rfkill->ops = ops;
rfkill->data = ops_data;