s390/cpum_sf: Use sf_buffer_available()

Use sf_buffer_available() consistently throughtout the code
to test for the existence of sampling buffer.
No functional change.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Reviewed-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Thomas Richter 2024-10-24 13:33:55 +02:00 • committed by Heiko Carstens
commit f2e9d46ac6