riscv: fp: add missing __user pointer annotations

The __user annotations were removed from the {save,restore}_fp_state()
function signatures by commit 007f5c358957 ("Refactor FPU code in
signal setup/return procedures"), but should be present, and sparse
warns when they are not applied.  Add them back in.

This change should have no functional impact.

Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Fixes: 007f5c358957 ("Refactor FPU code in signal setup/return procedures")
Cc: Alan Kao <alankao@andestech.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

diff --git a/arch/riscv/kernel/signal.c b/arch/riscv/kernel/signal.c
index b14d764..64bc914 100644 (file)
--- a/arch/riscv/kernel/signal.c
+++ b/arch/riscv/kernel/signal.c
@@ -26,7 +26,7 @@ struct rt_sigframe {
 
 #ifdef CONFIG_FPU
 static long restore_fp_state(struct pt_regs *regs,
-                            union __riscv_fp_state *sc_fpregs)
+                            union __riscv_fp_state __user *sc_fpregs)
 {
        long err;
        struct __riscv_d_ext_state __user *state = &sc_fpregs->d;
@@ -53,7 +53,7 @@ static long restore_fp_state(struct pt_regs *regs,
 }
 
 static long save_fp_state(struct pt_regs *regs,
-                         union __riscv_fp_state *sc_fpregs)
+                         union __riscv_fp_state __user *sc_fpregs)
 {
        long err;
        struct __riscv_d_ext_state __user *state = &sc_fpregs->d;