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authorDan Carpenter <dan.carpenter@oracle.com>2022-07-19 12:53:01 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2022-07-21 14:30:25 +0200
commit14229b8153a3ca51d97a22a18c68deeae64afce0 (patch)
tree52bce323f3f42e5cab42a79f9f3bff4dd78bde8b /tools/lib
parentc6018fc6e7b6fcc4ac5430870c2e8b4ca556621a (diff)
downloadlinux-14229b8153a3ca51d97a22a18c68deeae64afce0.tar.gz
libbpf: Fix str_has_sfx()'s return value
The return from strcmp() is inverted so it wrongly returns true instead
of false and vice versa.

Fixes: a1c9d61b19cb ("libbpf: Improve library identification for uprobe binary path resolution")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Cc: Alan Maguire <alan.maguire@oracle.com>
Link: https://lore.kernel.org/bpf/YtZ+/dAA195d99ak@kili
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/bpf/libbpf_internal.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/lib/bpf/libbpf_internal.h b/tools/lib/bpf/libbpf_internal.h
index f01dbab49da9..4135ae0a2bc3 100644
--- a/tools/lib/bpf/libbpf_internal.h
+++ b/tools/lib/bpf/libbpf_internal.h
@@ -108,9 +108,9 @@ static inline bool str_has_sfx(const char *str, const char *sfx)
 	size_t str_len = strlen(str);
 	size_t sfx_len = strlen(sfx);
 
-	if (sfx_len <= str_len)
-		return strcmp(str + str_len - sfx_len, sfx);
-	return false;
+	if (sfx_len > str_len)
+		return false;
+	return strcmp(str + str_len - sfx_len, sfx) == 0;
 }
 
 /* Symbol versioning is different between static and shared library.