selftests/nolibc: fix printf format mismatch in expect_str_buf_eq()

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From: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>

commit 92098b1c10cb29bcc6fa0908a766dc9e16b1e889 upstream.

Fix the following compiler warning on 32bit:

  i386-linux-gcc -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wextra -fno-stack-protector -m32 -mstack-protector-guard=global -fstack-protector-all  -o nolibc-test \
    -nostdlib -nostdinc -static -Isysroot/i386/include nolibc-test.c nolibc-test-linkage.c -lgcc
  nolibc-test.c: In function 'expect_str_buf_eq':
  nolibc-test.c:610:30: error: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'size_t' {aka 'unsigned int'} [-Werror=format=]
    610 |         llen += printf(" = %lu <%s> ", expr, buf);
        |                            ~~^         ~~~~
        |                              |         |
        |                              |         size_t {aka unsigned int}
        |                              long unsigned int
        |                            %u

Fixes: 1063649cf531 ("selftests/nolibc: Add tests for strlcat() and strlcpy()")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/nolibc/nolibc-test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 94bb6e11c16f..994477ee87be 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -607,7 +607,7 @@ int expect_strne(const char *expr, int llen, const char *cmp)
 static __attribute__((unused))
 int expect_str_buf_eq(size_t expr, const char *buf, size_t val, int llen, const char *cmp)
 {
-	llen += printf(" = %lu <%s> ", expr, buf);
+	llen += printf(" = %lu <%s> ", (unsigned long)expr, buf);
 	if (strcmp(buf, cmp) != 0) {
 		result(llen, FAIL);
 		return 1;
-- 
2.45.2



Patches currently in stable-queue which might be from linux@xxxxxxxxxxxxxx are

queue-6.10/selftests-nolibc-fix-printf-format-mismatch-in-expect_str_buf_eq.patch
queue-6.10/sysctl-always-initialize-i_uid-i_gid.patch
queue-6.10/eeprom-ee1004-call-i2c_new_scanned_device-to-instant.patch




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