[LTP] [PATCH v3] commands/keyctl01: Check keyctl support instead of kernel version

[Cyril Hrubis <chrubis@suse.cz>]

Hi!
Looking at this closer we only check that the keyctl binary understands
these requests, shouldn't we as well try to request2 and unlink a key to
seek if kernel is up to the task?

And btw, it would be a bit cleaner to use a for loop to check for each
flag separately and tell user what flag is not supported:

diff --git a/testcases/commands/keyctl/keyctl01.sh b/testcases/commands/keyctl/keyctl01.sh
old mode 100644
new mode 100755
index 76226ae4d..f831acbfc
--- a/testcases/commands/keyctl/keyctl01.sh
+++ b/testcases/commands/keyctl/keyctl01.sh
@@ -34,11 +34,18 @@ TST_NEEDS_TMPDIR=1
 TST_NEEDS_CMDS="keyctl"
 . tst_test.sh
 
+check_keyctl()
+{
+       for op in $@; do
+               if ! keyctl 2>&1 | grep -q "keyctl $op"; then
+                       tst_brk TCONF "keyctl operation $op not supported"
+               fi
+       done
+}
+
 setup()
 {
-       if tst_kvcmp -le 2.6.33; then
-               tst_brk TCONF "Kernel newer than 2.6.33 is needed"
-       fi
+       check_keyctl negate request2 show unlink
 
        PATH_KEYSTAT="/proc/key-users"
        PATH_KEYQUOTA="/proc/sys/kernel/keys/root_maxbytes"


-- 
Cyril Hrubis
chrubis@suse.cz