From: Randy Dunlap rdunlap@infradead.org
[ Upstream commit ba7ffcd4c4da374b0f64666354eeeda7d3827131 ]
If an invalid value is used in "resumedelay=<seconds>", it is silently ignored. Add a warning message and then let the __setup handler return 1 to indicate that the kernel command line option has been handled.
Fixes: 317cf7e5e85e3 ("PM / hibernate: convert simple_strtoul to kstrtoul") Signed-off-by: Randy Dunlap rdunlap@infradead.org Reported-by: Igor Zhbanov i.zhbanov@omprussia.ru Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- kernel/power/hibernate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 6670a44ec5d4..6abdfdf571ee 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -1219,7 +1219,7 @@ static int __init resumedelay_setup(char *str) int rc = kstrtouint(str, 0, &resume_delay);
if (rc) - return rc; + pr_warn("resumedelay: bad option string '%s'\n", str); return 1; }