From 31bae4c5d9e5e7eca70d64152441bc8290016560 Mon Sep 17 00:00:00 2001 From: Bo Shen <voice.shen@atmel.com> Date: Wed, 16 Oct 2013 17:26:38 +0800 Subject: [PATCH] usb: dfu: correct dfu buffer inited value After dfu buffer is initialized, the buffer should be all available, while not 0. Initialize its value to min(dfu_buf_size, dfu->r_left). Signed-off-by: Bo Shen <voice.shen@atmel.com> Tested-by: Lukasz Majewski <l.majewski@samsung.com> Acked-by: Lukasz Majewski <l.majewski@samsung.com> --- drivers/dfu/dfu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c index cccc04417a..1eb92e5417 100644 --- a/drivers/dfu/dfu.c +++ b/drivers/dfu/dfu.c @@ -288,7 +288,7 @@ int dfu_read(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num) dfu->offset = 0; dfu->i_buf_end = dfu_get_buf() + dfu_buf_size; dfu->i_buf = dfu->i_buf_start; - dfu->b_left = 0; + dfu->b_left = min(dfu_buf_size, dfu->r_left); dfu->bad_skip = 0; -- 2.39.5