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-rw-r--r--src/shared/util.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/shared/util.c b/src/shared/util.c
index dda88bd2ee..3060adc8a6 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -1664,7 +1664,7 @@ int loop_write(int fd, const void *buf, size_t nbytes, bool do_poll) {
errno = 0;
- while (nbytes > 0) {
+ do {
ssize_t k;
k = write(fd, p, nbytes);
@@ -1684,12 +1684,12 @@ int loop_write(int fd, const void *buf, size_t nbytes, bool do_poll) {
return -errno;
}
- if (k == 0) /* Can't really happen */
+ if (nbytes > 0 && k == 0) /* Can't really happen */
return -EIO;
p += k;
nbytes -= k;
- }
+ } while (nbytes > 0);
return 0;
}