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-rw-r--r--fs/cifs/file.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index b1807fd..7925491 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -545,6 +545,7 @@ int cifs_close(struct inode *inode, struct file *file)
} else
rc = -EBADF;
+ read_lock(&GlobalSMBSeslock);
if (list_empty(&(CIFS_I(inode)->openFileList))) {
cFYI(1, ("closing last open instance for inode %p", inode));
/* if the file is not open we do not know if we can cache info
@@ -552,6 +553,7 @@ int cifs_close(struct inode *inode, struct file *file)
CIFS_I(inode)->clientCanCacheRead = FALSE;
CIFS_I(inode)->clientCanCacheAll = FALSE;
}
+ read_unlock(&GlobalSMBSeslock);
if ((rc == 0) && CIFS_I(inode)->write_behind_rc)
rc = CIFS_I(inode)->write_behind_rc;
FreeXid(xid);
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