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Diffstat (limited to 'lib/test_printf.c')
-rw-r--r--lib/test_printf.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/lib/test_printf.c b/lib/test_printf.c
index f4fcc1c43739..93da0a5000ec 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -241,6 +241,7 @@ plain_format(void)
#define PTR ((void *)0x456789ab)
#define PTR_STR "456789ab"
#define PTR_VAL_NO_CRNG "(ptrval)"
+#define ZEROS ""
static int __init
plain_format(void)
@@ -270,7 +271,6 @@ plain_hash_to_buffer(const void *p, char *buf, size_t len)
return 0;
}
-
static int __init
plain_hash(void)
{
@@ -328,6 +328,24 @@ test_hashed(const char *fmt, const void *p)
}
static void __init
+null_pointer(void)
+{
+ test_hashed("%p", NULL);
+ test(ZEROS "00000000", "%px", NULL);
+ test("(null)", "%pE", NULL);
+}
+
+#define PTR_INVALID ((void *)0x000000ab)
+
+static void __init
+invalid_pointer(void)
+{
+ test_hashed("%p", PTR_INVALID);
+ test(ZEROS "000000ab", "%px", PTR_INVALID);
+ test("(efault)", "%pE", PTR_INVALID);
+}
+
+static void __init
symbol_ptr(void)
{
}
@@ -464,8 +482,7 @@ struct_rtc_time(void)
.tm_year = 118,
};
- test_hashed("%pt", &tm);
-
+ test("(%ptR?)", "%pt", &tm);
test("2018-11-26T05:35:43", "%ptR", &tm);
test("0118-10-26T05:35:43", "%ptRr", &tm);
test("05:35:43|2018-11-26", "%ptRt|%ptRd", &tm, &tm);
@@ -483,14 +500,14 @@ static void __init
large_bitmap(void)
{
const int nbits = 1 << 16;
- unsigned long *bits = kcalloc(BITS_TO_LONGS(nbits), sizeof(long), GFP_KERNEL);
+ unsigned long *bits = bitmap_zalloc(nbits, GFP_KERNEL);
if (!bits)
return;
bitmap_set(bits, 1, 20);
bitmap_set(bits, 60000, 15);
test("1-20,60000-60014", "%*pbl", nbits, bits);
- kfree(bits);
+ bitmap_free(bits);
}
static void __init
@@ -574,6 +591,8 @@ static void __init
test_pointer(void)
{
plain();
+ null_pointer();
+ invalid_pointer();
symbol_ptr();
kernel_ptr();
struct_resource();