selftests/livepatch: Remove unused local variable in set_ftrace_enabled()

set_ftrace_enabled() contains unused local variable "sysctl". Remove it.

Signed-off-by: Miroslav Benes <[email protected]>
Reviewed-by: Kamalesh Babulal <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>

Author: mirab

tools/testing/selftests/livepatch/functions.sh

@@ -64,7 +64,6 @@ function set_dynamic_debug() {
 }
 
 function set_ftrace_enabled() {
-	local sysctl="$1"
 	result=$(sysctl kernel.ftrace_enabled="$1" 2>&1 | paste --serial --delimiters=' ')
 	echo "livepatch: $result" > /dev/kmsg
 }