diff options
| author | David Laight <david.laight.linux@gmail.com> | 2026-06-06 23:26:02 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2026-06-10 11:22:47 +0300 |
| commit | 4cd243ef30d185e99098d2191302a3dc49bfef58 (patch) | |
| tree | be793c97e7a0739b96d8c31d8fba0ce3a1f8fcee /net/rfkill | |
| parent | 201dd93a177806747af7b99f1021b6fb4d042ed7 (diff) | |
| download | linux-4cd243ef30d185e99098d2191302a3dc49bfef58.tar.xz | |
rfkill: Replace strcpy() with memcpy()
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>
Diffstat (limited to 'net/rfkill')
| -rw-r--r-- | net/rfkill/core.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/rfkill/core.c b/net/rfkill/core.c index 4827e1fb8804..9e143c4bfe6a 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -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; |