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acpi_os_vprintf: Use printk_get_level() to avoid unnecessary KERN_CONT 

acpi_os_vprintf currently always uses a KERN_CONT prefix which may be
followed immediately by a proper KERN_<LEVEL>.  Check if the buffer
already has a KERN_<LEVEL> at the start of the buffer and avoid the
unnecessary KERN_CONT.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Joe Perches 2016-10-12 11:50:34 -07:00 committed by Rafael J. Wysocki
parent c8d2bc9bc3
commit abc4b9a53e
1 changed files with 10 additions and 3 deletions
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13
drivers/acpi/osl.c
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@ -162,11 +162,18 @@ void acpi_os_vprintf(const char *fmt, va_list args)
if (acpi_in_debugger) {
kdb_printf("%s", buffer);
} else {
printk(KERN_CONT "%s", buffer);
if (printk_get_level(buffer))
printk("%s", buffer);
else
printk(KERN_CONT "%s", buffer);
}
#else
if (acpi_debugger_write_log(buffer) < 0)
printk(KERN_CONT "%s", buffer);
if (acpi_debugger_write_log(buffer) < 0) {
if (printk_get_level(buffer))
printk("%s", buffer);
else
printk(KERN_CONT "%s", buffer);
}
#endif
}