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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-06-03 13:06:51 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-06-04 09:54:32 +0200 |
| commit | 96b1d7fcfeb268b9803bc3f17ceb2653f0109a2d (patch) | |
| tree | 9520255d5b5a2b46bcfb536711e641c84bdb0eca /cpukit/libfs/src/dosfs/fat_file.c | |
| parent | libblock: Add read-ahead task (diff) | |
| download | rtems-96b1d7fcfeb268b9803bc3f17ceb2653f0109a2d.tar.bz2 | |
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.
Diffstat (limited to 'cpukit/libfs/src/dosfs/fat_file.c')
| -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 b6a466e265..88f8e5b571 100644 --- a/cpukit/libfs/src/dosfs/fat_file.c +++ b/cpukit/libfs/src/dosfs/fat_file.c @@ -552,9 +552,10 @@ 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 ) @@ -603,6 +604,7 @@ fat_file_extend( } } + *a_length = new_length; fat_fd->fat_file_size = new_length; return RC_OK; |