tree-wide: check if return value of lseek() and friends is negative

[thirdparty/systemd.git] / src / import / import-raw.c

diff --git a/src/import/import-raw.c b/src/import/import-raw.c
index 3765b514bb373f9c4e176bc5133271b886559efc..2db3198ba6123fa32c7580ba3e3a9ffe6a15ae9f 100644 (file)
--- a/src/import/import-raw.c
+++ b/src/import/import-raw.c
@@ -303,7 +303,7 @@ static int raw_import_open_disk(RawImport *i) {
                                        "Target file is not a regular file or block device");
 
         if (i->offset != UINT64_MAX) {
-                if (lseek(i->output_fd, i->offset, SEEK_SET) == (off_t) -1)
+                if (lseek(i->output_fd, i->offset, SEEK_SET) < 0)
                         return log_error_errno(errno, "Failed to seek to offset: %m");
         }
 
@@ -328,14 +328,14 @@ static int raw_import_try_reflink(RawImport *i) {
                 return 0;
 
         p = lseek(i->input_fd, 0, SEEK_CUR);
-        if (p == (off_t) -1)
+        if (p < 0)
                 return log_error_errno(errno, "Failed to read file offset of input file: %m");
 
         /* Let's only try a btrfs reflink, if we are reading from the beginning of the file */
         if ((uint64_t) p != (uint64_t) i->buffer_size)
                 return 0;
 
-        r = btrfs_reflink(i->input_fd, i->output_fd);
+        r = reflink(i->input_fd, i->output_fd);
         if (r >= 0)
                 return 1;
 
@@ -378,7 +378,7 @@ static int raw_import_write(const void *p, size_t sz, void *userdata) {
                 if ((size_t) n < sz)
                         return log_error_errno(SYNTHETIC_ERRNO(EIO), "Short write");
         } else {
-                r = loop_write(i->output_fd, p, sz, false);
+                r = loop_write(i->output_fd, p, sz);
                 if (r < 0)
                         return log_error_errno(r, "Failed to write file: %m");
         }