Re: [PATCH] ubifs: Fix uninitialized variable in search_dh_cookie()
Am Sonntag, 17. September 2017, 10:32:20 CEST schrieb Geert Uytterhoeven: > fs/ubifs/tnc.c: In function ‘search_dh_cookie’: > fs/ubifs/tnc.c:1893: warning: ‘err’ is used uninitialized in this function > > Indeed, err is always used uninitialized. > > According to an original review comment from Hyunchul, acknowledged by > Richard, err should be initialized to -ENOENT to avoid the first call to > tnc_next(). But we can achieve the same by reordering the code. > > Reported-by: Hyunchul Lee> Signed-off-by: Geert Uytterhoeven > --- > Compile-tested only. > > Still needed in v4.14-rc1, so I'm sending out the patch I wrote in July. > This avoids initializing err at the top, so we don't loose the ability to > catch future uninitialized use. Geez. ;-\ Applied for 4.14-rc2. Thanks, //richard
Re: [PATCH] ubifs: Fix uninitialized variable in search_dh_cookie()
Am Sonntag, 17. September 2017, 10:32:20 CEST schrieb Geert Uytterhoeven: > fs/ubifs/tnc.c: In function ‘search_dh_cookie’: > fs/ubifs/tnc.c:1893: warning: ‘err’ is used uninitialized in this function > > Indeed, err is always used uninitialized. > > According to an original review comment from Hyunchul, acknowledged by > Richard, err should be initialized to -ENOENT to avoid the first call to > tnc_next(). But we can achieve the same by reordering the code. > > Reported-by: Hyunchul Lee > Signed-off-by: Geert Uytterhoeven > --- > Compile-tested only. > > Still needed in v4.14-rc1, so I'm sending out the patch I wrote in July. > This avoids initializing err at the top, so we don't loose the ability to > catch future uninitialized use. Geez. ;-\ Applied for 4.14-rc2. Thanks, //richard