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-rw-r--r--arch/um/kernel/kmsg_dump.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/um/kernel/kmsg_dump.c b/arch/um/kernel/kmsg_dump.c
index 40abf1e9ccb1..427dd5a61a38 100644
--- a/arch/um/kernel/kmsg_dump.c
+++ b/arch/um/kernel/kmsg_dump.c
@@ -16,29 +16,26 @@ static void kmsg_dumper_stdout(struct kmsg_dumper *dumper,
struct console *con;
unsigned long flags;
size_t len = 0;
+ int cookie;
/*
* If no consoles are available to output crash information, dump
* the kmsg buffer to stdout.
*/
- if (!console_trylock())
- return;
-
- for_each_console(con) {
+ cookie = console_srcu_read_lock();
+ for_each_console_srcu(con) {
/*
* The ttynull console and disabled consoles are ignored
* since they cannot output. All other consoles are
* expected to output the crash information.
*/
if (strcmp(con->name, "ttynull") != 0 &&
- (con->flags & CON_ENABLED)) {
+ (console_srcu_read_flags(con) & CON_ENABLED)) {
break;
}
}
-
- console_unlock();
-
+ console_srcu_read_unlock(cookie);
if (con)
return;