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selftests: livepatch: Introduce does_sysfs_exist function

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Returns true if the livepatch sysfs attribute exists, and false otherwise.
This new function will be used in the next patches.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Joe Lawrence <joe.lawrence@redhat.com>
Link: https://patch.msgid.link/20260504-lp-tests-old-fixes-v5-3-0be26d94ab9a@suse.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
This commit is contained in:
Marcos Paulo de Souza 2026-05-04 15:34:44 -03:00 committed by Petr Mladek
parent 2724b28cb5
commit cdc1848ba0
1 changed files with 10 additions and 0 deletions
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10
tools/testing/selftests/livepatch/functions.sh
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@ -339,6 +339,16 @@ function check_result {
fi
}
# does_sysfs_exist(modname, attr) - check sysfs attribute existence
# modname - livepatch module creating the sysfs interface
# attr - attribute name to be checked
function does_sysfs_exist() {
local mod="$1"; shift
local attr="$1"; shift
[[ -f "$SYSFS_KLP_DIR/$mod/$attr" ]]
}
# check_sysfs_rights(modname, rel_path, expected_rights) - check sysfs
# path permissions
# modname - livepatch module creating the sysfs interface