1 files changed, 6 insertions, 3 deletions

diff --git a/src/firejail/util.c b/src/firejail/util.c
index 03f52fabb..c3e00a110 100644
--- a/src/firejail/util.c
+++ b/src/firejail/util.c
@@ -683,11 +683,12 @@ int remove_directory(const char *path) {
 void flush_stdin(void) {
         if (isatty(STDIN_FILENO)) {
                 int cnt = 0;
-                ioctl(STDIN_FILENO, FIONREAD, &cnt);
-                if (cnt) {
+                int rv = ioctl(STDIN_FILENO, FIONREAD, &cnt);
+                if (rv == 0 && cnt) {
                         if (!arg_quiet)
                                 printf("Warning: removing %d bytes from stdin\n", cnt);
-                        ioctl(STDIN_FILENO, TCFLSH, TCIFLUSH);
+                        rv = ioctl(STDIN_FILENO, TCFLSH, TCIFLUSH);
+                        (void) rv;
                 }
         }
 }
@@ -700,6 +701,7 @@ void create_empty_dir_as_root(const char *dir, mode_t mode) {
         if (stat(dir, &s)) {
                 if (arg_debug)
                         printf("Creating empty %s directory\n", dir);
+                /* coverity[toctou] */
                 if (mkdir(dir, mode) == -1)
                         errExit("mkdir");
                 if (set_perms(dir, 0, 0, mode))
@@ -717,6 +719,7 @@ void create_empty_file_as_root(const char *fname, mode_t mode) {
                 if (arg_debug)
                         printf("Creating empty %s file\n", fname);
 
+                /* coverity[toctou] */
                 FILE *fp = fopen(fname, "w");
                 if (!fp)
                         errExit("fopen");