diff options
author | Yu Chien Peter Lin <peterlin@andestech.com> | 2023-02-22 05:48:54 +0300 |
---|---|---|
committer | Anup Patel <anup@brainfault.org> | 2023-02-27 09:16:08 +0300 |
commit | 67b2a408924b466dcd659c70348043987401f0b1 (patch) | |
tree | 4837aa60bba5f8d70134f11706f26f1af3afa5e3 | |
parent | 2491242282b4e3bb0617f41dfb667ca9a8241c0a (diff) | |
download | opensbi-67b2a408924b466dcd659c70348043987401f0b1.tar.xz |
lib: sbi: sbi_ecall: Check the range of SBI error
We should also check if the return error code is greater than 0
(SBI_SUCCESS), as this is an invalid error.
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
-rw-r--r-- | lib/sbi/sbi_ecall.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sbi/sbi_ecall.c b/lib/sbi/sbi_ecall.c index 27ce5d4..d0f0166 100644 --- a/lib/sbi/sbi_ecall.c +++ b/lib/sbi/sbi_ecall.c @@ -120,7 +120,7 @@ int sbi_ecall_handler(struct sbi_trap_regs *regs) trap.epc = regs->mepc; sbi_trap_redirect(regs, &trap); } else { - if (ret < SBI_LAST_ERR) { + if (ret < SBI_LAST_ERR || SBI_SUCCESS < ret) { sbi_printf("%s: Invalid error %d for ext=0x%lx " "func=0x%lx\n", __func__, ret, extension_id, func_id); |