X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Fmpsse.c;h=c5fd6d7fac1ab295e0686bfbbb83497c3a158e12;hp=59927a0fe76f9085e41057fb0db8d16b2425b8cf;hb=209e0beed384a5401158cd0c06add3590e0109dc;hpb=c979a08144ddea266fbf626182b5a06ad90e9ea8

diff --git a/src/jtag/drivers/mpsse.c b/src/jtag/drivers/mpsse.c
index 59927a0fe7..c5fd6d7fac 100644
--- a/src/jtag/drivers/mpsse.c
+++ b/src/jtag/drivers/mpsse.c
@@ -602,7 +602,7 @@ void mpsse_read_data_bits_low_byte(struct mpsse_ctx *ctx, uint8_t *data)
 		return;
 	}
 
-	if (buffer_write_space(ctx) < 1)
+	if (buffer_write_space(ctx) < 1 || buffer_read_space(ctx) < 1)
 		ctx->retval = mpsse_flush(ctx);
 
 	buffer_write_byte(ctx, 0x81);
@@ -618,7 +618,7 @@ void mpsse_read_data_bits_high_byte(struct mpsse_ctx *ctx, uint8_t *data)
 		return;
 	}
 
-	if (buffer_write_space(ctx) < 1)
+	if (buffer_write_space(ctx) < 1 || buffer_read_space(ctx) < 1)
 		ctx->retval = mpsse_flush(ctx);
 
 	buffer_write_byte(ctx, 0x83);