Changeset c77a64f in mainline for uspace/srv

Timestamp:

2010-01-10T12:22:14Z (15 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

6c01702

Parents:

5f70118

Message:

Must clear error indicator when reading/writing blocks in file_bd, otherwise a read beyond the end of device would render it unusable.

File:

• uspace/srv/bd/file_bd/file_bd.c (modified) (2 diffs)

uspace/srv/bd/file_bd/file_bd.c

@@ -208 +208 @@
         fibril_mutex_lock(&dev_lock);
 
+        clearerr(img);
         fseek(img, ba * block_size, SEEK_SET);
         n_rd = fread(buf, block_size, cnt, img);
@@ -231 +232 @@
         fibril_mutex_lock(&dev_lock);
 
+        clearerr(img);
         fseek(img, ba * block_size, SEEK_SET);
         n_wr = fwrite(buf, block_size, cnt, img);