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-rw-r--r--lib/kstrtox.c2
-rw-r--r--lib/test-kstrtox.c6
2 files changed, 2 insertions, 6 deletions
diff --git a/lib/kstrtox.c b/lib/kstrtox.c
index ec8da78df9be..94be244e8441 100644
--- a/lib/kstrtox.c
+++ b/lib/kstrtox.c
@@ -152,7 +152,7 @@ int kstrtoll(const char *s, unsigned int base, long long *res)
rv = _kstrtoull(s + 1, base, &tmp);
if (rv < 0)
return rv;
- if ((long long)(-tmp) >= 0)
+ if ((long long)-tmp > 0)
return -ERANGE;
*res = -tmp;
} else {
diff --git a/lib/test-kstrtox.c b/lib/test-kstrtox.c
index 4137bca5f8e8..f355f67169b6 100644
--- a/lib/test-kstrtox.c
+++ b/lib/test-kstrtox.c
@@ -260,6 +260,7 @@ static void __init test_kstrtoll_ok(void)
{"4294967297", 10, 4294967297LL},
{"9223372036854775807", 10, 9223372036854775807LL},
+ {"-0", 10, 0LL},
{"-1", 10, -1LL},
{"-2", 10, -2LL},
{"-9223372036854775808", 10, LLONG_MIN},
@@ -277,11 +278,6 @@ static void __init test_kstrtoll_fail(void)
{"-9223372036854775809", 10},
{"-18446744073709551614", 10},
{"-18446744073709551615", 10},
- /* negative zero isn't an integer in Linux */
- {"-0", 0},
- {"-0", 8},
- {"-0", 10},
- {"-0", 16},
/* sign is first character if any */
{"-+1", 0},
{"-+1", 8},