diff mbox series

ptp: kvm: Return EOPNOTSUPP instead of ENODEV from kvm_arch_ptp_init()

Message ID 20241127-kvm_ptp-eopnotsuppp-v1-1-dfae48de972c@weissschuh.net (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series ptp: kvm: Return EOPNOTSUPP instead of ENODEV from kvm_arch_ptp_init() | expand

Checks

Context Check Description
netdev/series_format warning Single patches do not need cover letters; Target tree name not specified in the subject
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 3 this patch: 3
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 2 of 2 maintainers
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 24 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-11-27--09-00 (tests: 787)

Commit Message

Thomas Weißschuh Nov. 27, 2024, 7:27 a.m. UTC 
The caller ptp_kvm_init() expects EOPNOTSUPP in case KVMCLOCK is not
available and not ENODEV.
Adapt the returned error code to avoid spurious errors in the kernel log:

"fail to initialize ptp_kvm"

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
---
 drivers/ptp/ptp_kvm_x86.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)


---
base-commit: aaf20f870da056752f6386693cc0d8e25421ef35
change-id: 20241127-kvm_ptp-eopnotsuppp-d00278d22b01

Best regards,
diff mbox series

Patch

diff --git a/drivers/ptp/ptp_kvm_x86.c b/drivers/ptp/ptp_kvm_x86.c
index 617c8d6706d3d00f7167fbf7e5b624ced29a206d..6cea4fe39bcfe46ba3b54b0815d3a3d034d415ea 100644
--- a/drivers/ptp/ptp_kvm_x86.c
+++ b/drivers/ptp/ptp_kvm_x86.c
@@ -26,7 +26,7 @@  int kvm_arch_ptp_init(void)
 	long ret;
 
 	if (!kvm_para_available())
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	if (cc_platform_has(CC_ATTR_GUEST_MEM_ENCRYPT)) {
 		p = alloc_page(GFP_KERNEL | __GFP_ZERO);
@@ -46,14 +46,14 @@  int kvm_arch_ptp_init(void)
 
 	clock_pair_gpa = slow_virt_to_phys(clock_pair);
 	if (!pvclock_get_pvti_cpu0_va()) {
-		ret = -ENODEV;
+		ret = -EOPNOTSUPP;
 		goto err;
 	}
 
 	ret = kvm_hypercall2(KVM_HC_CLOCK_PAIRING, clock_pair_gpa,
 			     KVM_CLOCK_PAIRING_WALLCLOCK);
 	if (ret == -KVM_ENOSYS) {
-		ret = -ENODEV;
+		ret = -EOPNOTSUPP;
 		goto err;
 	}