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-rw-r--r--src/drivers/spi/flashconsole.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/drivers/spi/flashconsole.c b/src/drivers/spi/flashconsole.c
index 654177f6d3..d5c4382101 100644
--- a/src/drivers/spi/flashconsole.c
+++ b/src/drivers/spi/flashconsole.c
@@ -75,7 +75,8 @@ void flashconsole_tx_byte(unsigned char c)
size_t region_size = region_device_sz(rdev_ptr);
- line_buffer[line_offset++] = c;
+ if (line_offset < LINE_BUFFER_SIZE)
+ line_buffer[line_offset++] = c;
if (line_offset >= LINE_BUFFER_SIZE ||
offset + line_offset >= region_size || c == '\n') {