diff options
Diffstat (limited to 'arch/arm64/kernel/signal.c')
| -rw-r--r-- | arch/arm64/kernel/signal.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index dd2cdc0d5be2..339882db5a91 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -371,6 +371,8 @@ static int parse_user_sigframe(struct user_ctxs *user, goto done; case FPSIMD_MAGIC: + if (!system_supports_fpsimd()) + goto invalid; if (user->fpsimd) goto invalid; @@ -506,7 +508,7 @@ static int restore_sigframe(struct pt_regs *regs, if (err == 0) err = parse_user_sigframe(&user, sf); - if (err == 0) { + if (err == 0 && system_supports_fpsimd()) { if (!user.fpsimd) return -EINVAL; @@ -623,7 +625,7 @@ static int setup_sigframe(struct rt_sigframe_user_layout *user, err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(*set)); - if (err == 0) { + if (err == 0 && system_supports_fpsimd()) { struct fpsimd_context __user *fpsimd_ctx = apply_user_offset(user, user->fpsimd_offset); err |= preserve_fpsimd_context(fpsimd_ctx); |