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authorZou Wei <zou_wei@huawei.com>2020-04-13 19:57:56 +0800
committerDaniel Borkmann <daniel@iogearbox.net>2020-04-14 21:40:06 +0200
commit89f33dcadb349eb926a92633e2c5f61466afc596 (patch)
treef72000dd6eece4b474b47754752c5ccd038b9637 /kernel
parentdfa74909cb6b846cbdabfc2c3c7de1d507fca075 (diff)
downloadlwn-89f33dcadb349eb926a92633e2c5f61466afc596.tar.gz
lwn-89f33dcadb349eb926a92633e2c5f61466afc596.zip
bpf: remove unneeded conversion to bool in __mark_reg_unknown
This issue was detected by using the Coccinelle software: kernel/bpf/verifier.c:1259:16-21: WARNING: conversion to bool not needed here The conversion to bool is unneeded, remove it. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zou Wei <zou_wei@huawei.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/1586779076-101346-1-git-send-email-zou_wei@huawei.com
Diffstat (limited to 'kernel')
-rw-r--r--kernel/bpf/verifier.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 04c6630cc18f..38cfcf701eeb 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -1255,8 +1255,7 @@ static void __mark_reg_unknown(const struct bpf_verifier_env *env,
reg->type = SCALAR_VALUE;
reg->var_off = tnum_unknown;
reg->frameno = 0;
- reg->precise = env->subprog_cnt > 1 || !env->allow_ptr_leaks ?
- true : false;
+ reg->precise = env->subprog_cnt > 1 || !env->allow_ptr_leaks;
__mark_reg_unbounded(reg);
}