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Subject[PATCH -mm 1/2] proc: exit correctly in /proc/*/maps test
If open() or writev() fails, test will hang waiting for child test
process.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

fold into proc-test-proc-maps-smaps-smaps_rollup-statm.patch

tools/testing/selftests/proc/proc-pid-vm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/tools/testing/selftests/proc/proc-pid-vm.c
+++ b/tools/testing/selftests/proc/proc-pid-vm.c
@@ -189,11 +189,11 @@ static int make_exe(const uint8_t *payload, size_t len)

fd = openat(AT_FDCWD, "/tmp", O_WRONLY|O_EXCL|O_TMPFILE, 0700);
if (fd == -1) {
- return 1;
+ exit(1);
}

if (writev(fd, iov, 3) != sizeof(struct elf64_hdr) + sizeof(struct elf64_phdr) + len) {
- return 1;
+ exit(1);
}

/* Avoid ETXTBSY on exec. */
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