* [linuxtv-media:master 463/499] drivers/media/dvb-frontends/drx39xyj/drxj.c:20803 drx_ctrl_u_code() warn: variable dereferenced before check 'mc_info' (see line 20800)
@ 2014-03-05 8:46 Dan Carpenter
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From: Dan Carpenter @ 2014-03-05 8:46 UTC (permalink / raw)
To: kbuild, Mauro Carvalho Chehab; +Cc: Dan Carpenter, linux-media
Hi Mauro,
FYI, there are new smatch warnings show up in
tree: git://linuxtv.org/media_tree.git master
head: 59432be1c7fbf2a4f608850855ff649bee0f7b3b
commit: b240eacdd536bac23c9d48dfc3d527ed6870ddad [463/499] [media] drx-j: get rid of drx_driver.c
New smatch warnings:
drivers/media/dvb-frontends/drx39xyj/drxj.c:20803 drx_ctrl_u_code() warn: variable dereferenced before check 'mc_info' (see line 20800)
Old smatch warnings:
drivers/media/dvb-frontends/drx39xyj/drxj.c:1218 mult32() warn: missing break? reassigning '*h'
git remote add linuxtv-media git://linuxtv.org/media_tree.git
git remote update linuxtv-media
git checkout b240eacdd536bac23c9d48dfc3d527ed6870ddad
vim +/mc_info +20803 drivers/media/dvb-frontends/drx39xyj/drxj.c
b240eacd Mauro Carvalho Chehab 2014-01-24 20794 u16 i = 0;
b240eacd Mauro Carvalho Chehab 2014-01-24 20795 u16 mc_nr_of_blks = 0;
b240eacd Mauro Carvalho Chehab 2014-01-24 20796 u16 mc_magic_word = 0;
b240eacd Mauro Carvalho Chehab 2014-01-24 20797 const u8 *mc_data_init = NULL;
b240eacd Mauro Carvalho Chehab 2014-01-24 20798 u8 *mc_data = NULL;
b240eacd Mauro Carvalho Chehab 2014-01-24 20799 unsigned size;
b240eacd Mauro Carvalho Chehab 2014-01-24 @20800 char *mc_file = mc_info->mc_file;
b240eacd Mauro Carvalho Chehab 2014-01-24 20801
b240eacd Mauro Carvalho Chehab 2014-01-24 20802 /* Check arguments */
b240eacd Mauro Carvalho Chehab 2014-01-24 @20803 if (!mc_info || !mc_file)
b240eacd Mauro Carvalho Chehab 2014-01-24 20804 return -EINVAL;
b240eacd Mauro Carvalho Chehab 2014-01-24 20805
b240eacd Mauro Carvalho Chehab 2014-01-24 20806 if (!demod->firmware) {
---
0-DAY kernel build testing backend Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild Intel Corporation
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2014-03-05 8:46 [linuxtv-media:master 463/499] drivers/media/dvb-frontends/drx39xyj/drxj.c:20803 drx_ctrl_u_code() warn: variable dereferenced before check 'mc_info' (see line 20800) Dan Carpenter
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