Merge pull request #29601 from yuwata/mmap-check-overflow

[thirdparty/systemd.git] / src / basic / io-util.c

diff --git a/src/basic/io-util.c b/src/basic/io-util.c
index ede959fabcf51f6fd54f5d5ea63875f8da371df7..dee59947aa1e19c733764feea2ba9c2d70b5e492 100644 (file)
--- a/src/basic/io-util.c
+++ b/src/basic/io-util.c
@@ -284,7 +284,7 @@ ssize_t sparse_write(int fd, const void *p, size_t sz, size_t run_length) {
                                         return -EIO;
                         }
 
-                        if (lseek(fd, n, SEEK_CUR) == (off_t) -1)
+                        if (lseek(fd, n, SEEK_CUR) < 0)
                                 return -errno;
 
                         q += n;