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Diffstat (limited to 'sysdeps/unix/sysv/linux/if_index.c')
-rw-r--r--sysdeps/unix/sysv/linux/if_index.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c
index 70a16a69c4..d38340bb64 100644
--- a/sysdeps/unix/sysv/linux/if_index.c
+++ b/sysdeps/unix/sysv/linux/if_index.c
@@ -215,7 +215,7 @@ libc_hidden_weak (if_nameindex)
 
 
 char *
-__if_indextoname (unsigned int ifindex, char *ifname)
+__if_indextoname (unsigned int ifindex, char ifname[IF_NAMESIZE])
 {
   /* We may be able to do the conversion directly, rather than searching a
      list.  This ioctl is not present in kernels before version 2.1.50.  */