From: Chen Gang Date: Wed, 27 Nov 2013 03:40:58 +0000 (+0800) Subject: drivers: staging: ft1000: ft1000-usb: ft1000_debug.c: check return value of get_user... X-Git-Tag: v3.14-rc1~150^2~647 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3229b869d14263c870ce0d3df18ce48fa02a40f2;p=pandora-kernel.git drivers: staging: ft1000: ft1000-usb: ft1000_debug.c: check return value of get_user() in ft1000_ioctl() get_user() may fail and cause 'msgsz' uninitialized, so need give a check. The related warning (with allmodconfig under hexagon): CC [M] drivers/staging/ft1000/ft1000-usb/ft1000_debug.o drivers/staging/ft1000/ft1000-usb/ft1000_debug.c: In function 'ft1000_ioctl': include/uapi/linux/swab.h:53:9: warning: 'msgsz' may be used uninitialized in this function [-Wuninitialized] drivers/staging/ft1000/ft1000-usb/ft1000_debug.c:533:17: note: 'msgsz' was declared here Signed-off-by: Chen Gang Signed-off-by: Greg Kroah-Hartman --- Reading git-diff-tree failed