From: Karel Zak <kzak@redhat.com>
Date: Mon, 13 Jul 2026 10:32:59 +0000 (+0200)
Subject: chcpu: check ul_path_readf_s32() return value [coverity: CID 504056]
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4d1170ef7e1558412f1c5c5d9b1fbf8581592f02;p=thirdparty%2Futil-linux.git

chcpu: check ul_path_readf_s32() return value [coverity: CID 504056]

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/sys-utils/chcpu.c b/sys-utils/chcpu.c
index 43d1f457e..a1d8b347d 100644
--- a/sys-utils/chcpu.c
+++ b/sys-utils/chcpu.c
@@ -103,8 +103,9 @@ static int cpu_enable(struct chcpu_context *ctx, int enable)
 			continue;
 		}
 
-		if (ul_path_accessf(ctx->sys, F_OK, "cpu%d/configure", cpu) == 0)
-			ul_path_readf_s32(ctx->sys, &configured, "cpu%d/configure", cpu);
+		if (ul_path_accessf(ctx->sys, F_OK, "cpu%d/configure", cpu) != 0
+		    || ul_path_readf_s32(ctx->sys, &configured, "cpu%d/configure", cpu) != 0)
+			configured = -1;
 		if (enable) {
 			rc = ul_path_writef_string(ctx->sys, "1", "cpu%d/online", cpu);
 			if (rc != 0 && configured == 0) {