[glibc] htl: Check error returned by __getrlimit

[Samuel Thibault]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a614f39e61140dd2478ce5b7564ec8a53269ea4

commit 3a614f39e61140dd2478ce5b7564ec8a53269ea4
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Mon Jan 2 01:01:28 2023 +0100

    htl: Check error returned by __getrlimit

Diff:
---
 htl/pt-create.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/htl/pt-create.c b/htl/pt-create.c
index 5d37edbbff..d3847b69ea 100644
--- a/htl/pt-create.c
+++ b/htl/pt-create.c
@@ -136,8 +136,8 @@ __pthread_create_internal (struct __pthread **thread,
   if (stacksize == 0)
     {
       struct rlimit rlim;
-      __getrlimit (RLIMIT_STACK, &rlim);
-      if (rlim.rlim_cur != RLIM_INFINITY)
+      err = __getrlimit (RLIMIT_STACK, &rlim);
+      if (err == 0 && rlim.rlim_cur != RLIM_INFINITY)
 	stacksize = rlim.rlim_cur;
       if (stacksize == 0)
 	stacksize = PTHREAD_STACK_DEFAULT;