When kenv with KENV_GET and KENV_DUMP* return an error, don't write anything back to len.
Signed-off-by: Warner Losh <[email protected]> --- bsd-user/freebsd/os-misc.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/bsd-user/freebsd/os-misc.h b/bsd-user/freebsd/os-misc.h index 204d8ebd3d..92c0a5b4ca 100644 --- a/bsd-user/freebsd/os-misc.h +++ b/bsd-user/freebsd/os-misc.h @@ -480,7 +480,9 @@ static inline abi_long do_freebsd_kenv(abi_long action, abi_ulong name, } ret = kenv(action, gname, gvalue, len); if (ret > 0) { - len = ret; + len = ret; + } else { + len = 0; } break; case KENV_SET: @@ -522,7 +524,9 @@ static inline abi_long do_freebsd_kenv(abi_long action, abi_ulong name, /* name is ignored, per kenv(2) */ ret = kenv(action, NULL, gvalue, len); if (ret > 0) { - len = ret; + len = ret; + } else { + len = 0; } break; default: -- 2.52.0
