提交 9163e018 编写于 作者: W Wenwen Wang 提交者: Richard Weinberger

ubifs: Fix memory leak bug in alloc_ubifs_info() error path

In ubifs_mount(), 'c' is allocated through kzalloc() in alloc_ubifs_info().
However, it is not deallocated in the following execution if
ubifs_fill_super() fails, leading to a memory leak bug. To fix this issue,
free 'c' before going to the 'out_deact' label.

Fixes: 1e51764a ("UBIFS: add new flash file system")
Signed-off-by: NWenwen Wang <wenwen@cs.uga.edu>
Signed-off-by: NRichard Weinberger <richard@nod.at>
上级 7992e004
无相关合并请求
......@@ -2256,8 +2256,10 @@ static struct dentry *ubifs_mount(struct file_system_type *fs_type, int flags,
}
} else {
err = ubifs_fill_super(sb, data, flags & SB_SILENT ? 1 : 0);
if (err)
if (err) {
kfree(c);
goto out_deact;
}
/* We do not support atime */
sb->s_flags |= SB_ACTIVE;
if (IS_ENABLED(CONFIG_UBIFS_ATIME_SUPPORT))
......
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