From: Kay Sievers Date: Tue, 17 Jul 2012 01:35:29 +0000 (-0700) Subject: kmsg - avoid warning for CONFIG_PRINTK=n compilations X-Git-Tag: firefly_0821_release~3680^2~2355^2~12 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=96efedf1491cdf0616e5e4fff0711cebf20f69c7;p=firefly-linux-kernel-4.4.55.git kmsg - avoid warning for CONFIG_PRINTK=n compilations Signed-off-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- diff --git a/kernel/printk.c b/kernel/printk.c index d87ca5c6a989..6c3d5bf14da2 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -216,6 +216,7 @@ struct log { */ static DEFINE_RAW_SPINLOCK(logbuf_lock); +#ifdef CONFIG_PRINTK /* the next printk record to read by syslog(READ) or /proc/kmsg */ static u64 syslog_seq; static u32 syslog_idx; @@ -228,7 +229,6 @@ static u32 log_first_idx; /* index and sequence number of the next record to store in the buffer */ static u64 log_next_seq; -#ifdef CONFIG_PRINTK static u32 log_next_idx; /* the next printk record to read after the last 'clear' command */ @@ -1635,10 +1635,17 @@ asmlinkage int printk(const char *fmt, ...) } EXPORT_SYMBOL(printk); -#else +#else /* CONFIG_PRINTK */ #define LOG_LINE_MAX 0 #define PREFIX_MAX 0 +#define LOG_LINE_MAX 0 +static u64 syslog_seq; +static u32 syslog_idx; +static enum log_flags syslog_prev; +static u64 log_first_seq; +static u32 log_first_idx; +static u64 log_next_seq; static struct cont { size_t len; size_t cons;