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Diffstat (limited to 'fs/ecryptfs/main.c')
-rw-r--r--fs/ecryptfs/main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index cbd4e18adb2..c4af92fa12c 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -36,6 +36,7 @@
#include <linux/parser.h>
#include <linux/fs_stack.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h> /* For lock_kernel() */
#include "ecryptfs_kernel.h"
/**
@@ -550,6 +551,7 @@ static int ecryptfs_get_sb(struct file_system_type *fs_type, int flags,
const char *err = "Getting sb failed";
int rc;
+ lock_kernel();
sbi = kmem_cache_zalloc(ecryptfs_sb_info_cache, GFP_KERNEL);
if (!sbi) {
rc = -ENOMEM;
@@ -608,6 +610,7 @@ static int ecryptfs_get_sb(struct file_system_type *fs_type, int flags,
goto out;
}
simple_set_mnt(mnt, s);
+ unlock_kernel();
return 0;
out:
@@ -616,6 +619,7 @@ out:
kmem_cache_free(ecryptfs_sb_info_cache, sbi);
}
printk(KERN_ERR "%s; rc = [%d]\n", err, rc);
+ unlock_kernel();
return rc;
}