springcute
/
rt-thread
mirror of https://github.com/RT-Thread/rt-thread.git
2
0
Fork 3
Code Issues Releases Wiki Activity

dfs: fix dfs_unmount bug 

fix #211
This commit is contained in:
prife 2013-12-21 11:35:09 +08:00
parent 27112267e9
commit 4f9dc273ec
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
components/dfs/src/dfs_fs.c
View File

@ -320,6 +320,7 @@ err1:
int dfs_unmount(const char *specialfile)
{
char *fullpath;
struct dfs_filesystem *iter;
struct dfs_filesystem *fs = RT_NULL;
fullpath = dfs_normalize_path(RT_NULL, specialfile);
@ -333,7 +334,17 @@ int dfs_unmount(const char *specialfile)
/* lock filesystem */
dfs_lock();
fs = dfs_filesystem_lookup(fullpath);
for (iter = &filesystem_table[0];
iter < &filesystem_table[DFS_FILESYSTEMS_MAX]; iter++)
{
/* check if the PATH is mounted */
if ((iter->path != NULL) && (strcmp(iter->path, fullpath) == 0))
{
fs = iter;
break;
}
}
if (fs == RT_NULL ||
fs->ops->unmount == RT_NULL ||
fs->ops->unmount(fs) < 0)