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| author | Anup Patel <apatel@ventanamicro.com> | 2022-11-08 17:40:16 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2022-11-15 16:38:41 +0530 |
| commit | 7b29264f11b8ac9aef0df23122feed763f803779 (patch) | |
| tree | 0fb2d484c09a34a1ef4023149d31ded606520627 /lib | |
| parent | 8e9966c1a722b4b630bb1f5f3cf6a1f8a4726102 (diff) | |
| download | opensbi-7b29264f11b8ac9aef0df23122feed763f803779.zip opensbi-7b29264f11b8ac9aef0df23122feed763f803779.tar.gz opensbi-7b29264f11b8ac9aef0df23122feed763f803779.tar.bz2 | |
lib: utils/serial: Fix semihosting compile error using LLVM
We fix the following semihosting compile error observed using LLVM:
lib/utils/serial/semihosting.c:158:12: error: result of comparison of constant -1 with expression of type 'char' is always true [-Werror,-Wtautological-constant-out-of-range-compare]
ret = ch > -1 ? ch : -1;
~~ ^ ~~
Fixes: 7f09fba86e43 ("lib: utils/serial: add semihosting support")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/utils/serial/semihosting.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/utils/serial/semihosting.c b/lib/utils/serial/semihosting.c index 5012fa1..86fa296 100644 --- a/lib/utils/serial/semihosting.c +++ b/lib/utils/serial/semihosting.c @@ -154,8 +154,8 @@ static int semihosting_getc(void) int ret; if (semihosting_infd < 0) { - ch = semihosting_trap(SYSREADC, NULL); - ret = ch > -1 ? ch : -1; + ret = semihosting_trap(SYSREADC, NULL); + ret = ret < 0 ? -1 : ret; } else ret = semihosting_read(semihosting_infd, &ch, 1) > 0 ? ch : -1; |