gwj / at91sam9263 · Commits

Commit 1e37d05904e300a0bfc8e3240e24ecc83d54c2e3

Authored by Stefan Weil
Committed by Anthony Liguori
1 parent 09ac35ac

raw-posix: Handle errors in raw_create 

In qemu-iotests, some large images are created using qemu-img.

Without checks for errors, qemu-img will just create an
empty image, and later read / write tests will fail.

With the patch, failures during image creation are detected
and reported.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Inline Side-by-side
Showing 1 changed file with 12 additions and 5 deletions
block/raw-posix.c
  View file @1e37d05
... ... @@ -852,6 +852,7 @@ again:
852 852 static int raw_create(const char *filename, QEMUOptionParameter *options)
853 853 {
854 854 int fd;
  855 + int result = 0;
855 856 int64_t total_size = 0;
856 857  
857 858 /* Read out options */
... ... @@ -864,11 +865,17 @@ static int raw_create(const char *filename, QEMUOptionParameter *options)
864 865  
865 866 fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
866 867 0644);
867   - if (fd < 0)
868   - return -EIO;
869   - ftruncate(fd, total_size * 512);
870   - close(fd);
871   - return 0;
  868 + if (fd < 0) {
  869 + result = -errno;
  870 + } else {
  871 + if (ftruncate(fd, total_size * 512) != 0) {
  872 + result = -errno;
  873 + }
  874 + if (close(fd) != 0) {
  875 + result = -errno;
  876 + }
  877 + }
  878 + return result;
872 879 }
873 880  
874 881 static void raw_flush(BlockDriverState *bs)
... ...