On 12/14/21 at 05:32pm, Philipp Rudo wrote: > Hi lizhe, > > On Thu, 9 Dec 2021 19:20:03 -0800 > lizhe <sensor1010@xxxxxxx> wrote: > > > No judgment required ck_cmdline is NULL > > its caller has alreadly judged, see __parse_crashkernel > > function > > > > Signed-off-by: lizhe <sensor1010@xxxxxxx> > > --- > > kernel/crash_core.c | 3 --- > > 1 file changed, 3 deletions(-) > > > > diff --git a/kernel/crash_core.c b/kernel/crash_core.c > > index eb53f5ec62c9..9981cf9b9fe4 100644 > > --- a/kernel/crash_core.c > > +++ b/kernel/crash_core.c > > @@ -221,9 +221,6 @@ static __init char *get_last_crashkernel(char *cmdline, > > p = strstr(p+1, name); > > } > > > > - if (!ck_cmdline) > > - return NULL; > > - > > return ck_cmdline; > > } > > > > I agree that the if-block is not needed and can be removed. However, I > cannot follow your reasoning in the commit message. Could you please > explain it in more detail. > > The reason why I think that the 'if' can be removed is that the > expression can only be true when ck_cmdline = NULL. But with that the > last three lines are equivalent to > > if (!ck_cmdline) > return ck_cmdline; > > return ck_cmdline; > > Which simply doesn't make any sense. Right, the judgement actually introduces redundant codes. As Zhe replied, maybe you can rewrite the log and repost with your Signed-off-by, Philipp. As for Author, you two can discuss in private mail. _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec