sysconf(_SC_OPEN_MAX) returns the maximum number of files that
a process can have open at any time, which means the fd should
not be larger than or equal to the return value.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

---

(no changes since v2)

Changes in v2:
- new patch: "tests/tcg/cris: Correct the off-by-one error"

 tests/tcg/cris/libc/check_openpf5.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/tcg/cris/libc/check_openpf5.c b/tests/tcg/cris/libc/check_openpf5.c
index 0037fbca4c..7f585c6d37 100644
--- a/tests/tcg/cris/libc/check_openpf5.c
+++ b/tests/tcg/cris/libc/check_openpf5.c
@@ -31,10 +31,10 @@ int main(int argc, char *argv[])
     strcpy(fn, "/");
     strcat(fn, argv[0]);
 
-    for (i = 0; i < filemax + 1; i++) {
+    for (i = 0; i < filemax; i++) {
         if (open(fn, O_RDONLY) < 0) {
             /* Shouldn't happen too early.  */
-            if (i < filemax - 3 - 1) {
+            if (i < filemax - 3) {
                 fprintf(stderr, "i: %d\n", i);
                 abort();
             }
-- 
2.34.1