[PATCH] ssh: use ssh -n to redirect stdin from /dev/null

[WANG Chao]

When we're parsing kdump.conf, we read it from stdin in a while
loop statement. If we don't use ssh -n within the loop, all rest of the
kdump.conf options, which are in stdin, will be eaten by ssh.

Signed-off-by: WANG Chao 
---
 mkdumprd | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mkdumprd b/mkdumprd
index 6de1755..43a41cb 100644
--- a/mkdumprd
+++ b/mkdumprd
@@ -153,7 +153,7 @@ mkdir_save_path_ssh()
 {
     local _opt _dir
     _opt="-i $SSH_KEY_LOCATION -o BatchMode=yes -o StrictHostKeyChecking=yes"
-    ssh -q $_opt $1 mkdir -p $SAVE_PATH 2>&1 > /dev/null
+    ssh -qn $_opt $1 mkdir -p $SAVE_PATH 2>&1 > /dev/null
     _ret=$?
     if [ $_ret -ne 0 ]; then
         perror_exit "mkdir failed on $DUMP_TARGET:$SAVE_PATH"
@@ -165,7 +165,7 @@ mkdir_save_path_ssh()
     if [ $_ret -ne 0 ]; then
         perror_exit "Could not create temporary directory on $DUMP_TARGET:$SAVE_PATH. Make sure user has write permission on destination"
     fi
-    ssh -q $_opt $1 rmdir $_dir
+    ssh -qn $_opt $1 rmdir $_dir

return 0
 }