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-rw-r--r--usr/gen_init_cpio.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c
index 83b3dde1a83..b2b3c2d1cf8 100644
--- a/usr/gen_init_cpio.c
+++ b/usr/gen_init_cpio.c
@@ -354,7 +354,10 @@ static int cpio_mkfile(const char *name, const char *location,
push_pad();
if (size) {
- fwrite(filebuf, size, 1, stdout);
+ if (fwrite(filebuf, size, 1, stdout) != 1) {
+ fprintf(stderr, "writing filebuf failed\n");
+ goto error;
+ }
offset += size;
push_pad();
}