[PATCH] kselftest/arm64: Fix uninitialized variable warning in FPMR test

[Breno Leitao]

Fix compiler warning about potentially uninitialized orig_fpmr variable:

        testcases/fpmr_siginfo.c: In function ‘fpmr_present’:
        testcases/fpmr_siginfo.c:68:25: warning: ‘orig_fpmr’ may be used 
uninitialized in this function [-Wmaybe-uninitialized]
                                 fprintf(stderr, "FPMR in frame is %llx, was 
%llx\n",
                                 
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                         fpmr_ctx->fpmr, orig_fpmr);
                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~

Initialize orig_fpmr to 0 to resolve the warning.

Signed-off-by: Breno Leitao <lei...@debian.org>
---
 tools/testing/selftests/arm64/signal/testcases/fpmr_siginfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/arm64/signal/testcases/fpmr_siginfo.c 
b/tools/testing/selftests/arm64/signal/testcases/fpmr_siginfo.c
index 
e9d24685e74194fc4ed1aebdcfd4c6edd3488e1b..26818860b223d367955d96e12d423fadc304700b
 100644
--- a/tools/testing/selftests/arm64/signal/testcases/fpmr_siginfo.c
+++ b/tools/testing/selftests/arm64/signal/testcases/fpmr_siginfo.c
@@ -40,10 +40,10 @@ int fpmr_present(struct tdescr *td, siginfo_t *si, 
ucontext_t *uc)
 {
        struct _aarch64_ctx *head = GET_BUF_RESV_HEAD(context);
        struct fpmr_context *fpmr_ctx;
+       __u64 orig_fpmr = 0;
        size_t offset;
        bool in_sigframe;
        bool have_fpmr;
-       __u64 orig_fpmr;
 
        have_fpmr = getauxval(AT_HWCAP2) & HWCAP2_FPMR;
        if (have_fpmr)

---
base-commit: 0d5248724ed8bc68c867c4c65dda625277f68fbc
change-id: 20250207-arm_fix_selftest-ee29dbc33a06

Best regards,
-- 
Breno Leitao <lei...@debian.org>