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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-01-24 19:14:40 +0300
committerDaniel Thompson <daniel.thompson@linaro.org>2020-01-31 20:34:54 +0300
commitdc2c733e65848b1df8d55c83eea79fc4a868c800 (patch)
tree3763be4b32f126c8a9975f912d6eb191ea316b17 /kernel/debug
parenta4f8a7fb1963bc02fbd40a0a28e128bb56d2fcc9 (diff)
downloadlinux-dc2c733e65848b1df8d55c83eea79fc4a868c800.tar.xz
kdb: Use for_each_console() helper
Replace open coded single-linked list iteration loop with for_each_console() helper in use. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Diffstat (limited to 'kernel/debug')
-rw-r--r--kernel/debug/kdb/kdb_io.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 8bcdded5d61f..924bc9298a42 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -553,7 +553,7 @@ int vkdb_printf(enum kdb_msgsrc src, const char *fmt, va_list ap)
int this_cpu, old_cpu;
char *cp, *cp2, *cphold = NULL, replaced_byte = ' ';
char *moreprompt = "more> ";
- struct console *c = console_drivers;
+ struct console *c;
unsigned long uninitialized_var(flags);
/* Serialize kdb_printf if multiple cpus try to write at once.
@@ -698,10 +698,9 @@ kdb_printit:
cp2++;
}
}
- while (c) {
+ for_each_console(c) {
c->write(c, cp, retlen - (cp - kdb_buffer));
touch_nmi_watchdog();
- c = c->next;
}
}
if (logging) {
@@ -752,7 +751,6 @@ kdb_printit:
moreprompt = "more> ";
kdb_input_flush();
- c = console_drivers;
if (dbg_io_ops && !dbg_io_ops->is_console) {
len = strlen(moreprompt);
@@ -762,10 +760,9 @@ kdb_printit:
cp++;
}
}
- while (c) {
+ for_each_console(c) {
c->write(c, moreprompt, strlen(moreprompt));
touch_nmi_watchdog();
- c = c->next;
}
if (logging)