ALSA: hda/realtek - Headset fixup for System76 Gazelle (gaze14)

[mirror_ubuntu-bionic-kernel.git] / fs / afs / addr_list.c

diff --git a/fs/afs/addr_list.c b/fs/afs/addr_list.c
index a537368ba0db9a9df6afb9e800578b4fe966ded6..88391c7a84628195be312bc655902c004e7e0e75 100644 (file)
--- a/fs/afs/addr_list.c
+++ b/fs/afs/addr_list.c
@@ -121,7 +121,7 @@ struct afs_addr_list *afs_parse_text_addrs(const char *text, size_t len,
        p = text;
        do {
                struct sockaddr_rxrpc *srx = &alist->addrs[alist->nr_addrs];
-               char tdelim = delim;
+               const char *q, *stop;
 
                if (*p == delim) {
                        p++;
@@ -130,28 +130,33 @@ struct afs_addr_list *afs_parse_text_addrs(const char *text, size_t len,
 
                if (*p == '[') {
                        p++;
-                       tdelim = ']';
+                       q = memchr(p, ']', end - p);
+               } else {
+                       for (q = p; q < end; q++)
+                               if (*q == '+' || *q == delim)
+                                       break;
                }
 
-               if (in4_pton(p, end - p,
+               if (in4_pton(p, q - p,
                             (u8 *)&srx->transport.sin6.sin6_addr.s6_addr32[3],
-                            tdelim, &p)) {
+                            -1, &stop)) {
                        srx->transport.sin6.sin6_addr.s6_addr32[0] = 0;
                        srx->transport.sin6.sin6_addr.s6_addr32[1] = 0;
                        srx->transport.sin6.sin6_addr.s6_addr32[2] = htonl(0xffff);
-               } else if (in6_pton(p, end - p,
+               } else if (in6_pton(p, q - p,
                                    srx->transport.sin6.sin6_addr.s6_addr,
-                                   tdelim, &p)) {
+                                   -1, &stop)) {
                        /* Nothing to do */
                } else {
                        goto bad_address;
                }
 
-               if (tdelim == ']') {
-                       if (p == end || *p != ']')
-                               goto bad_address;
+               if (stop != q)
+                       goto bad_address;
+
+               p = q;
+               if (q < end && *q == ']')
                        p++;
-               }
 
                if (p < end) {
                        if (*p == '+') {
@@ -332,11 +337,18 @@ bool afs_iterate_addresses(struct afs_addr_cursor *ac)
  */
 int afs_end_cursor(struct afs_addr_cursor *ac)
 {
-       if (ac->responded && ac->index != ac->start)
-               WRITE_ONCE(ac->alist->index, ac->index);
+       struct afs_addr_list *alist;
+
+       alist = ac->alist;
+       if (alist) {
+               if (ac->responded && ac->index != ac->start)
+                       WRITE_ONCE(alist->index, ac->index);
+               afs_put_addrlist(alist);
+       }
 
-       afs_put_addrlist(ac->alist);
+       ac->addr = NULL;
        ac->alist = NULL;
+       ac->begun = false;
        return ac->error;
 }