chmem: check ul_path_readf_s32() return value [coverity: CID 504055]

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

diff --git a/sys-utils/chmem.c b/sys-utils/chmem.c
index 1034e854b9c4613f4b697415166e4cbbb2d20dde..6124d88cf6f3d0734c9da7941f47ac0fe8e13198 100644 (file)
--- a/sys-utils/chmem.c
+++ b/sys-utils/chmem.c
@@ -226,7 +226,8 @@ static int chmem_configured(struct chmem_desc *desc, char *name)
 {
        int mblock_configured = 0;
 
-       ul_path_readf_s32(desc->sysmemconfig, &mblock_configured, "%s/config", name);
+       if (ul_path_readf_s32(desc->sysmemconfig, &mblock_configured, "%s/config", name) != 0)
+               return 0;
        return mblock_configured;
 }