printk: use also the last bytes in the ring buffer

[cascardo/linux.git] / kernel / printk / printk.c

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 012f3e4..b3a1790 100644 (file)
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -319,7 +319,7 @@ static void log_store(int facility, int level,
                else
                        free = log_first_idx - log_next_idx;
 
-               if (free > size + sizeof(struct printk_log))
+               if (free >= size + sizeof(struct printk_log))
                        break;
 
                /* drop old messages until we have enough contiuous space */
@@ -327,7 +327,7 @@ static void log_store(int facility, int level,
                log_first_seq++;
        }
 
-       if (log_next_idx + size + sizeof(struct printk_log) >= log_buf_len) {
+       if (log_next_idx + size + sizeof(struct printk_log) > log_buf_len) {
                /*
                 * This message + an additional empty header does not fit
                 * at the end of the buffer. Add an empty header with len == 0