util: Explicitly initialize auto-cleanup variables

gcc complains about potentially uninitialized variables.

Signed-off-by: Tomas Bzatek <tbzatek@redhat.com>

diff --git a/src/nvme/util.c b/src/nvme/util.c
index 78ce14f89d1d66d0c5cb54b8226910e62432022c..f091da70cecdfbb355af664e5d0d66341af17b75 100644 (file)
--- a/src/nvme/util.c
+++ b/src/nvme/util.c
@@ -757,7 +757,7 @@ char *kv_keymatch(const char *kv, const char *key)
 static size_t read_file(const char * fname, char *buffer, size_t *bufsz)
 {
        char   *p;
-       _cleanup_file_ FILE *file;
+       _cleanup_file_ FILE *file = NULL;
        size_t len;
 
        file = fopen(fname, "re");
@@ -806,7 +806,7 @@ size_t get_entity_name(char *buffer, size_t bufsz)
 
 size_t get_entity_version(char *buffer, size_t bufsz)
 {
-       _cleanup_file_ FILE *file;
+       _cleanup_file_ FILE *file = NULL;
        size_t  num_bytes = 0;
 
        /* /proc/sys/kernel/ostype typically contains the string "Linux" */
@@ -928,7 +928,7 @@ int nvme_uuid_from_string(const char *str, unsigned char uuid[NVME_UUID_LEN])
 
 int nvme_uuid_random(unsigned char uuid[NVME_UUID_LEN])
 {
-       _cleanup_fd_ int f;
+       _cleanup_fd_ int f = -1;
        ssize_t n;
 
        f = open("/dev/urandom", O_RDONLY);