blob: constify attr argument to blob_memdup

It is not modified, so it can be const

Signed-off-by: Felix Fietkau <nbd@nbd.name>

2 files changed, 2 insertions, 2 deletions

diff --git a/blob.c b/blob.c
index 65adb13..abcc9f2 100644
--- a/blob.c
+++ b/blob.c
@@ -323,7 +323,7 @@ blob_attr_equal(const struct blob_attr *a1, const struct blob_attr *a2)
 }
 
 struct blob_attr *
-blob_memdup(struct blob_attr *attr)
+blob_memdup(const struct blob_attr *attr)
 {
 	struct blob_attr *ret;
 	int size = blob_pad_len(attr);
diff --git a/blob.h b/blob.h
index 6d61876..13bc7cc 100644
--- a/blob.h
+++ b/blob.h
@@ -200,7 +200,7 @@ extern struct blob_attr *blob_put(struct blob_buf *buf, int id, const void *ptr,
 extern bool blob_check_type(const void *ptr, unsigned int len, int type);
 extern int blob_parse(struct blob_attr *attr, struct blob_attr **data, const struct blob_attr_info *info, int max);
 extern int blob_parse_untrusted(struct blob_attr *attr, size_t attr_len, struct blob_attr **data, const struct blob_attr_info *info, int max);
-extern struct blob_attr *blob_memdup(struct blob_attr *attr);
+extern struct blob_attr *blob_memdup(const struct blob_attr *attr);
 extern struct blob_attr *blob_put_raw(struct blob_buf *buf, const void *ptr, unsigned int len);
 
 static inline struct blob_attr *