namei: tweak getlinkbyte error handling

in the event of a pread error, add the same error exit path
trigger that we have elsewhere

Change-Id: Id7a371f3fd710f3c6dad21bccb0662cf8562d99f
Reviewed-on: http://gerrit.openafs.org/5843
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Derrick Brashear <shadow@dementix.org>
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>

diff --git a/src/vol/namei_ops.c b/src/vol/namei_ops.c
index d1ecabf..cd92457 100644 (file)
--- a/src/vol/namei_ops.c
+++ b/src/vol/namei_ops.c
@@ -1371,6 +1371,9 @@ namei_GetLinkCount(FdHandle_t * h, Inode ino, int lockit, int fixup, int nowrite
     }
 
     rc = FDH_PREAD(h, (char*)&row, sizeof(row), offset);
+    if (rc == -1)
+       goto bad_getLinkByte;
+
     if ((rc == 0 || !((row >> index) & NAMEI_TAGMASK)) && fixup && nowrite)
         return 1;
     if (rc == 0 && fixup) {