diff options
| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-08-27 14:30:07 +0200 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-08-27 14:30:07 +0200 |
| commit | efda9452046bdd707b23a85b7846ec33548f84f1 (patch) | |
| tree | f08c915049ea1829ba115cd41a0ba28ddf184e07 /include/net/ax25.h | |
| parent | b01f2cc1c37ac3d5ca313c90370a586dffe5aca9 (diff) | |
| parent | 36676bcbf9f6bcbea9d06e67ee8d04eacde54952 (diff) | |
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include/net/ax25.h')
| -rw-r--r-- | include/net/ax25.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/include/net/ax25.h b/include/net/ax25.h index 828a3a93dda1..3696f988a9f1 100644 --- a/include/net/ax25.h +++ b/include/net/ax25.h @@ -139,11 +139,25 @@ enum { #define AX25_DEF_DS_TIMEOUT (3 * 60 * HZ) /* DAMA timeout 3 minutes */ typedef struct ax25_uid_assoc { - struct ax25_uid_assoc *next; + struct hlist_node uid_node; + atomic_t refcount; uid_t uid; ax25_address call; } ax25_uid_assoc; +#define ax25_uid_for_each(__ax25, node, list) \ + hlist_for_each_entry(__ax25, node, list, uid_node) + +#define ax25_uid_hold(ax25) \ + atomic_inc(&((ax25)->refcount)) + +static inline void ax25_uid_put(ax25_uid_assoc *assoc) +{ + if (atomic_dec_and_test(&assoc->refcount)) { + kfree(assoc); + } +} + typedef struct { ax25_address calls[AX25_MAX_DIGIS]; unsigned char repeated[AX25_MAX_DIGIS]; @@ -376,7 +390,7 @@ extern unsigned long ax25_display_timer(struct timer_list *); /* ax25_uid.c */ extern int ax25_uid_policy; -extern ax25_address *ax25_findbyuid(uid_t); +extern ax25_uid_assoc *ax25_findbyuid(uid_t); extern int ax25_uid_ioctl(int, struct sockaddr_ax25 *); extern struct file_operations ax25_uid_fops; extern void ax25_uid_free(void); |