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-rw-r--r--util/ifdtool/ifdtool.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c
index deef1b1fee..c4785504d5 100644
--- a/util/ifdtool/ifdtool.c
+++ b/util/ifdtool/ifdtool.c
@@ -540,6 +540,10 @@ static void write_regions(char *image, int size)
region_fd = open(region_filename(i),
O_WRONLY | O_CREAT | O_TRUNC,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+ if (region_fd < 0) {
+ perror("Error while trying to open file");
+ exit(EXIT_FAILURE);
+ }
if (write(region_fd, image + region.base, region.size) != region.size)
perror("Error while writing");
close(region_fd);
@@ -562,6 +566,10 @@ static void write_image(char *filename, char *image, int size)
new_fd = open(new_filename,
O_WRONLY | O_CREAT | O_TRUNC,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+ if (new_fd < 0) {
+ perror("Error while trying to open file");
+ exit(EXIT_FAILURE);
+ }
if (write(new_fd, image, size) != size)
perror("Error while writing");
close(new_fd);