From 5ce005002cd30a71f4355bd4fa8884154d6bd1ad Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Tue, 9 Mar 2010 18:13:49 -0300 Subject: [PATCH] V4L/DVB: drivers/media: drop redundant memset The region set by the call to memset is immediately overwritten by the subsequent call to memcpy. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression e1,e2,e3,e4; @@ - memset(e1,e2,e3); memcpy(e1,e4,e3); // Signed-off-by: Julia Lawall Cc: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/bt8xx/dst.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c index 8b0cde3..248a2a9 100644 --- a/drivers/media/dvb/bt8xx/dst.c +++ b/drivers/media/dvb/bt8xx/dst.c @@ -930,7 +930,6 @@ static int dst_fw_ver(struct dst_state *state) dprintk(verbose, DST_INFO, 1, "Unsupported Command"); return -1; } - memset(&state->fw_version, '\0', 8); memcpy(&state->fw_version, &state->rxbuffer, 8); dprintk(verbose, DST_ERROR, 1, "Firmware Ver = %x.%x Build = %02x, on %x:%x, %x-%x-20%02x", state->fw_version[0] >> 4, state->fw_version[0] & 0x0f, @@ -1053,7 +1052,6 @@ static int dst_get_tuner_info(struct dst_state *state) goto force; } } - memset(&state->board_info, '\0', 8); memcpy(&state->board_info, &state->rxbuffer, 8); if (state->type_flags & DST_TYPE_HAS_MULTI_FE) { dprintk(verbose, DST_ERROR, 1, "DST type has TS=188"); -- 2.7.4