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Add missing const keyword to function parameter.

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The umtx_key_get() function does not dereference the address off the
userspace object. The pointer can safely be const.
This commit is contained in:
Ed Schouten 2015-08-03 21:11:33 +00:00
parent 92de34df2c
commit 52942c1eae
2 changed files with 2 additions and 2 deletions
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2
sys/kern/kern_umtx.c
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@ -793,7 +793,7 @@ umtxq_sleep(struct umtx_q *uq, const char *wmesg, struct abs_timeout *abstime)
* Convert userspace address into unique logical address.
*/
int
umtx_key_get(void *addr, int type, int share, struct umtx_key *key)
umtx_key_get(const void *addr, int type, int share, struct umtx_key *key)
{
struct thread *td = curthread;
vm_map_t map;

2
sys/sys/umtx.h
View File

@ -153,7 +153,7 @@ umtx_key_match(const struct umtx_key *k1, const struct umtx_key *k2)
}
int umtx_copyin_timeout(const void *, struct timespec *);
int umtx_key_get(void *, int, int, struct umtx_key *);
int umtx_key_get(const void *, int, int, struct umtx_key *);
void umtx_key_release(struct umtx_key *);
struct umtx_q *umtxq_alloc(void);
void umtxq_free(struct umtx_q *);