[LTP] [PATCH v2 5/7] tst_net.sh: Drop 'sh -c' use from ssh in tst_rhost_run

[Petr Vorel]

This simplifies the command and allows to use double quotes in command
parameter for ssh, as it removes single nested quotes of command
parameter (thus fixes like c1a2d53f6 "network/nfs_lib.sh: Use double
quotes for grep pattern" are not needed any more).

NOTE: 'sh -c' is still required for netns based testing, but does not
use nested quotes. Now both variants use only double quotes.

Suggested-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Acked-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
 testcases/lib/tst_net.sh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/testcases/lib/tst_net.sh b/testcases/lib/tst_net.sh
index 0a8b2a8ca..f6ac4c087 100644
--- a/testcases/lib/tst_net.sh
+++ b/testcases/lib/tst_net.sh
@@ -167,12 +167,12 @@ tst_rhost_run()
 	fi
 
 	if [ -n "${TST_USE_NETNS:-}" ]; then
-		output=`$LTP_NETNS sh -c \
-			"$pre_cmd $cmd $post_cmd" $out 2>&1 || echo 'RTERR'`
+		output=$($LTP_NETNS sh -c \
+			"$pre_cmd $cmd $post_cmd" $out 2>&1 || echo 'RTERR')
 	else
 		tst_require_cmds ssh
-		output=`ssh -nq $user@$RHOST "sh -c \
-			'$pre_cmd $cmd $post_cmd'" $out 2>&1 || echo 'RTERR'`
+		output=$(ssh -nq $user@$RHOST \
+			"$pre_cmd $cmd $post_cmd" $out 2>&1 || echo 'RTERR')
 	fi
 	echo "$output" | grep -q 'RTERR$' && ret=1
 	if [ $ret -eq 1 ]; then
-- 
2.27.0