Patch "selftests/bpf: Fix compile error from rlim_t in sk_storage_map.c" has been added to the 5.15-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    selftests/bpf: Fix compile error from rlim_t in sk_storage_map.c

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     selftests-bpf-fix-compile-error-from-rlim_t-in-sk_st.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit b42440cfb51d176cab7bb05d7f7618a1ed17e67b
Author: Tony Ambardar <tony.ambardar@xxxxxxxxx>
Date:   Mon Jul 22 22:54:29 2024 -0700

    selftests/bpf: Fix compile error from rlim_t in sk_storage_map.c
    
    [ Upstream commit d393f9479d4aaab0fa4c3caf513f28685e831f13 ]
    
    Cast 'rlim_t' argument to match expected type of printf() format and avoid
    compile errors seen building for mips64el/musl-libc:
    
      In file included from map_tests/sk_storage_map.c:20:
      map_tests/sk_storage_map.c: In function 'test_sk_storage_map_stress_free':
      map_tests/sk_storage_map.c:414:56: error: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'rlim_t' {aka 'long long unsigned int'} [-Werror=format=]
        414 |                 CHECK(err, "setrlimit(RLIMIT_NOFILE)", "rlim_new:%lu errno:%d",
            |                                                        ^~~~~~~~~~~~~~~~~~~~~~~
        415 |                       rlim_new.rlim_cur, errno);
            |                       ~~~~~~~~~~~~~~~~~
            |                               |
            |                               rlim_t {aka long long unsigned int}
      ./test_maps.h:12:24: note: in definition of macro 'CHECK'
         12 |                 printf(format);                                         \
            |                        ^~~~~~
      map_tests/sk_storage_map.c:414:68: note: format string is defined here
        414 |                 CHECK(err, "setrlimit(RLIMIT_NOFILE)", "rlim_new:%lu errno:%d",
            |                                                                  ~~^
            |                                                                    |
            |                                                                    long unsigned int
            |                                                                  %llu
      cc1: all warnings being treated as errors
    
    Fixes: 51a0e301a563 ("bpf: Add BPF_MAP_TYPE_SK_STORAGE test to test_maps")
    Signed-off-by: Tony Ambardar <tony.ambardar@xxxxxxxxx>
    Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
    Link: https://lore.kernel.org/bpf/1e00a1fa7acf91b4ca135c4102dc796d518bad86.1721713597.git.tony.ambardar@xxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/tools/testing/selftests/bpf/map_tests/sk_storage_map.c b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c
index e569edc679d88..9228e33cc0db7 100644
--- a/tools/testing/selftests/bpf/map_tests/sk_storage_map.c
+++ b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c
@@ -416,7 +416,7 @@ static void test_sk_storage_map_stress_free(void)
 		rlim_new.rlim_max = rlim_new.rlim_cur + 128;
 		err = setrlimit(RLIMIT_NOFILE, &rlim_new);
 		CHECK(err, "setrlimit(RLIMIT_NOFILE)", "rlim_new:%lu errno:%d",
-		      rlim_new.rlim_cur, errno);
+		      (unsigned long) rlim_new.rlim_cur, errno);
 	}
 
 	err = do_sk_storage_map_stress_free();