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-rw-r--r--util-linux/mount.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 305e41a3d..eb8b7ba7b 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -1931,7 +1931,6 @@ static int singlemount(struct mntent *mp, int ignore_busy)
int len;
char c;
char *hostname, *share;
- char *dotted, *ip;
len_and_sockaddr *lsa;
// Parse mp->mnt_fsname of the form "//hostname/share[/dir1/dir2]"
@@ -1971,19 +1970,26 @@ static int singlemount(struct mntent *mp, int ignore_busy)
if (!lsa)
goto report_error;
- // Insert "ip=..." option into options
- dotted = xmalloc_sockaddr2dotted_noport(&lsa->u.sa);
- if (ENABLE_FEATURE_CLEAN_UP) free(lsa);
- ip = xasprintf("ip=%s", dotted);
- if (ENABLE_FEATURE_CLEAN_UP) free(dotted);
+ // If there is no "ip=..." option yet
+ if (!is_prefixed_with(filteropts, ",ip="+1)
+ && !strstr(filteropts, ",ip=")
+ ) {
+ char *dotted, *ip;
+ // Insert "ip=..." option into options
+ dotted = xmalloc_sockaddr2dotted_noport(&lsa->u.sa);
+ if (ENABLE_FEATURE_CLEAN_UP) free(lsa);
+ ip = xasprintf("ip=%s", dotted);
+ if (ENABLE_FEATURE_CLEAN_UP) free(dotted);
// Note: IPv6 scoped addresses ("host%iface", see RFC 4007) should be
// handled by libc in getnameinfo() (inside xmalloc_sockaddr2dotted_noport()).
// Currently, glibc does not support that (has no NI_NUMERICSCOPE),
// musl apparently does. This results in "ip=numericIPv6%iface_name"
// (instead of _numeric_ iface_id) with glibc.
// This probably should be fixed in glibc, not here.
- parse_mount_options(ip, &filteropts);
- if (ENABLE_FEATURE_CLEAN_UP) free(ip);
+// The workaround is to manually specify correct "ip=ADDR%n" option.
+ parse_mount_options(ip, &filteropts);
+ if (ENABLE_FEATURE_CLEAN_UP) free(ip);
+ }
mp->mnt_type = (char*)"cifs";
rc = mount_it_now(mp, vfsflags, filteropts);