diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-06-03 13:06:51 +0200 |
|---|---|---|
| committer | Gedare Bloom <gedare@rtems.org> | 2018-01-11 12:12:53 -0500 |
| commit | 89dd2ec437d998aa617bc4a61258a0692e4721ff (patch) | |
| tree | cae84b1976bdb48e274da16db6965ebe5255ad04 | |
| parent | 0d653397a9b64b9827b59cca6c70d0e9d81b8207 (diff) | |
dosfs: Fix for no space left on device condition
The file size was wrong in the no space left on device condition. This
resulted in turn in a read of an invalid block which lead to an EIO
error status.
| -rw-r--r-- | cpukit/libfs/src/dosfs/fat_file.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/cpukit/libfs/src/dosfs/fat_file.c b/cpukit/libfs/src/dosfs/fat_file.c index 0cd5f286db..8452ee8491 100644 --- a/cpukit/libfs/src/dosfs/fat_file.c +++ b/cpukit/libfs/src/dosfs/fat_file.c @@ -532,9 +532,10 @@ fat_file_extend( /* check wether we satisfied request for 'cls2add' clusters */ if (cls2add != cls_added) - *a_length = new_length - - ((cls2add - cls_added - 1) << fs_info->vol.bpc_log2) - - (bytes2add & (fs_info->vol.bpc - 1)); + { + new_length -= bytes2add & (fs_info->vol.bpc - 1); + new_length -= (cls2add - cls_added) << fs_info->vol.bpc_log2; + } /* add new chain to the end of existed */ if ( fat_fd->fat_file_size == 0 ) @@ -583,6 +584,7 @@ fat_file_extend( } } + *a_length = new_length; fat_fd->fat_file_size = new_length; return RC_OK; |