[PATCH] NFSv4.1: Ensure 'nfs4_sp4_select_mode()' can report -EINVAL when needed

Since commit 937e3133cd0b, 'nfs4_sp4_select_mode()' always return 0. Based on the way this commit is written (direct return replaced by some 'ret = -EXXX'), it is likely that returning this error code is expected. Fixes: 937e3133cd0b ("NFSv4.1: Ensure we clear the SP4_MACH_CRED flags in

[PATCH] NFSv4.1: Ensure 'nfs4_sp4_select_mode()' can report -EINVAL when needed

Since commit 937e3133cd0b, 'nfs4_sp4_select_mode()' always return 0. Based on the way this commit is written (direct return replaced by some 'ret = -EXXX'), it is likely that returning this error code is expected. Fixes: 937e3133cd0b ("NFSv4.1: Ensure we clear the SP4_MACH_CRED flags in