[PATCH v7 04/18] pstore/platform: Use backend name for console registration

[Kees Cook]

If the pstore backend changes, there's no indication in the logs what
the console is (it always says "pstore"). Instead, pass through the
active backend's name.

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
 fs/pstore/platform.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index bf7fa7b278bd..90d146fbc7d2 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -519,13 +519,15 @@ static void pstore_console_write(struct console *con, const char *s, unsigned c)
 }
 
 static struct console pstore_console = {
-	.name	= "pstore",
 	.write	= pstore_console_write,
 	.index	= -1,
 };
 
 static void pstore_register_console(void)
 {
+	/* Show which backend is going to get console writes. */
+	strscpy(pstore_console.name, psinfo->name,
+		sizeof(pstore_console.name));
 	/*
 	 * Always initialize flags here since prior unregister_console()
 	 * calls may have changed settings (specifically CON_ENABLED).
-- 
2.20.1