X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=libsysio%2Fsrc%2Freadlink.c;h=f08374482870869482914e7e4e12ca96b9b4bc72;hb=b6298eaa3e08a581a7bbc5a4ee95c1f07401dfb5;hp=8693dc3d94ff34239f1c33f2cf843bc7f8d5249d;hpb=567285197e592000b7a713d65b66e27314a11c2f;p=fs%2Flustre-release.git

diff --git a/libsysio/src/readlink.c b/libsysio/src/readlink.c
index 8693dc3..f083744 100644
--- a/libsysio/src/readlink.c
+++ b/libsysio/src/readlink.c
@@ -41,21 +41,21 @@
  * lee@sandia.gov
  */
 
-#if defined(__linux__)
-#define _BSD_SOURCE
-#endif
 #include <unistd.h>
 #include <errno.h>
 #include <assert.h>
 #include <sys/types.h>
-#include <sys/stat.h>
 #include <sys/queue.h>
 
 #include "sysio.h"
 #include "inode.h"
 #include "sysio-symbols.h"
 
+#ifdef HAVE_POSIX_1003_READLINK
+ssize_t
+#else
 int
+#endif
 SYSIO_INTERFACE_NAME(readlink)(const char *path, char *buf, size_t bufsiz)
 {
 	struct intent intent;
@@ -70,15 +70,14 @@ SYSIO_INTERFACE_NAME(readlink)(const char *path, char *buf, size_t bufsiz)
 	if (err)
 		goto out;
 	ino = pno->p_base->pb_ino;
-	if (!S_ISLNK(ino->i_stbuf.st_mode)) {
-		err = -EINVAL;
-		goto error;
-	}
 	err = (*ino->i_ops.inop_readlink)(pno, buf, bufsiz);
+	if (err)
+		goto error;
+
 error:
 	P_RELE(pno);
 out:
-	SYSIO_INTERFACE_RETURN(err < 0 ? -1 : err, err >= 0 ? 0 : err);
+	SYSIO_INTERFACE_RETURN(err, err >= 0 ? 0 : err);
 }
 
 #ifdef REDSTORM