lsfd: fill PROTONAME field of file for mmap'ed socket

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

diff --git a/misc-utils/lsfd-sock.c b/misc-utils/lsfd-sock.c
index bfbccaf4f30a578c7b4b0454b4ce1623114421de..da1aa59dfa5a4bf981d0e1f352157844fc149e1d 100644 (file)
--- a/misc-utils/lsfd-sock.c
+++ b/misc-utils/lsfd-sock.c
@@ -84,7 +84,7 @@ struct file *make_sock(const struct file_class *class,
 {
        struct file *file = make_file(class? class: &sock_class,
                                      sb, name, map_file_data, fd);
-       if (fd >= 0) {
+       if (fd >= 0 || fd == -ASSOC_MEM || fd == -ASSOC_SHM) {
                struct sock *sock = (struct sock *)file;
 
                char path[PATH_MAX];
@@ -92,7 +92,11 @@ struct file *make_sock(const struct file_class *class,
                ssize_t len;
                memset(path, 0, sizeof(path));
 
-               sprintf(path, "/proc/%d/fd/%d", proc->pid, fd);
+               if (fd >= 0)
+                       sprintf(path, "/proc/%d/fd/%d", proc->pid, fd);
+               else
+                       sprintf(path, "/proc/%d/map_files/%lx-%lx", proc->pid,
+                               map_file_data->start, map_file_data->end);
                len = getxattr(path, "system.sockprotoname", buf, sizeof(buf) - 1);
                if (len > 0) {
                        buf[len] = '\0';