Remove unused parameter from the 'get_source' machinery.

* libdiskfs/diskfs.h (diskfs_get_source): Remove first parameter.
* libdiskfs/file-get-source.c (diskfs_S_file_get_source): Adapt
callsite.
* libdiskfs/get-source.c (diskfs_get_source): Adapt default
implementation.
* libnetfs/netfs.h (netfs_get_source): Remove first parameter.
* libnetfs/file-get-source.c (netfs_S_file_get_source): Adapt
callsite.
* libnetfs/get-source.c (netfs_get_source): Adapt default
implementation.
* libtrivfs/trivfs.h (trivfs_get_source): Remove first parameter.
* libtrivfs/file-get-source.c (trivfs_S_file_get_source): Adapt
callsite.
* libtrivfs/get-source.c (trivfs_get_source): Adapt default
implementation.
* nfs/main.c (netfs_get_source): Adapt implementation.
* procfs/main.c (netfs_get_source): Likewise.
* trans/firmlink.c (trivfs_get_source): Likewise.

1 files changed, 4 insertions, 6 deletions

diff --git a/procfs/main.c b/procfs/main.c
index 0c87175a..e9e29123 100644
--- a/procfs/main.c
+++ b/procfs/main.c
@@ -254,13 +254,11 @@ netfs_append_args (char **argz, size_t *argz_len)
 }
 
 /* The user may define this function.  The function must set source to
-   the source of CRED. The function may return an EOPNOTSUPP to
-   indicate that the concept of a source device is not applicable. The
-   default function always returns EOPNOTSUPP. */
-error_t netfs_get_source (struct protid *cred, char *source, size_t source_len)
+   the source of the translator. The function may return an EOPNOTSUPP
+   to indicate that the concept of a source device is not
+   applicable. The default function always returns EOPNOTSUPP.  */
+error_t netfs_get_source (char *source, size_t source_len)
 {
-  if (! cred)
-    return EOPNOTSUPP;
   snprintf (source, source_len, "proc");
   return 0;
 }