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riscv: fp: add missing __user pointer annotations

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The __user annotations were removed from the {save,restore}_fp_state()
function signatures by commit 007f5c3589 ("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: 007f5c3589 ("Refactor FPU code in signal setup/return procedures")
Cc: Alan Kao <alankao@andestech.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Paul Walmsley
2019-10-17 15:41:25 -07:00
parent 5ed881bc3a
commit a48dac448d
1 changed files with 2 additions and 2 deletions
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4
arch/riscv/kernel/signal.c
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@@ -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;