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Diffstat (limited to 'src/libnsss/nsss_switch_grp_getbygid.c')
-rw-r--r--src/libnsss/nsss_switch_grp_getbygid.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libnsss/nsss_switch_grp_getbygid.c b/src/libnsss/nsss_switch_grp_getbygid.c
index 8a4e7e3..d40235c 100644
--- a/src/libnsss/nsss_switch_grp_getbygid.c
+++ b/src/libnsss/nsss_switch_grp_getbygid.c
@@ -14,6 +14,6 @@ int nsss_switch_grp_getbygid (nsss_switch_t *a, struct group *gr, stralloc *sa,
   if (!ipc_timed_send(buffer_fd(&a->b), buf, 5, deadline, stamp)) return 0 ;
   if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ;
   if ((unsigned char)buf[0] == 255) return 0 ;
-  if (buf[0]) return (errno = buf[0], 0) ;
+  if (buf[0]) return (errno = (unsigned char)buf[0], 0) ;
   return nsss_switch_grp_read(&a->b, gr, sa, ga, deadline, stamp) ;
 }