kselftest/arm64: mte: fix printf type warnings about pointers

When printing the value of a pointer, we should not use an integer
format specifier, but the dedicated "%p" instead.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240816153251.2833702-8-andre.przywara@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Author: Andre-ARM

tools/testing/selftests/arm64/mte/check_buffer_fill.c

@@ -91,7 +91,7 @@ static int check_buffer_underflow_by_byte(int mem_type, int mode,
 		for (j = 0; j < sizes[i]; j++) {
 			if (ptr[j] != '1') {
 				err = true;
-				ksft_print_msg("Buffer is not filled at index:%d of ptr:0x%lx\n",
+				ksft_print_msg("Buffer is not filled at index:%d of ptr:0x%p\n",
 						j, ptr);
 				break;
 			}
@@ -189,7 +189,7 @@ static int check_buffer_overflow_by_byte(int mem_type, int mode,
 		for (j = 0; j < sizes[i]; j++) {
 			if (ptr[j] != '1') {
 				err = true;
-				ksft_print_msg("Buffer is not filled at index:%d of ptr:0x%lx\n",
+				ksft_print_msg("Buffer is not filled at index:%d of ptr:0x%p\n",
 						j, ptr);
 				break;
 			}

tools/testing/selftests/arm64/mte/mte_common_util.c

@@ -100,7 +100,7 @@ void *mte_insert_tags(void *ptr, size_t size)
 	int align_size;
 
 	if (!ptr || (unsigned long)(ptr) & MT_ALIGN_GRANULE) {
-		ksft_print_msg("FAIL: Addr=%lx: invalid\n", ptr);
+		ksft_print_msg("FAIL: Addr=%p: invalid\n", ptr);
 		return NULL;
 	}
 	align_size = MT_ALIGN_UP(size);
@@ -112,7 +112,7 @@ void *mte_insert_tags(void *ptr, size_t size)
 void mte_clear_tags(void *ptr, size_t size)
 {
 	if (!ptr || (unsigned long)(ptr) & MT_ALIGN_GRANULE) {
-		ksft_print_msg("FAIL: Addr=%lx: invalid\n", ptr);
+		ksft_print_msg("FAIL: Addr=%p: invalid\n", ptr);
 		return;
 	}
 	size = MT_ALIGN_UP(size);