From 3c252b087de08d3cb32468b54a158bd7ad0ae2f7 Mon Sep 17 00:00:00 2001 From: Chung-Chiang Cheng Date: Fri, 18 Jun 2021 15:59:25 +0800 Subject: configfs: fix memleak in configfs_release_bin_file When reading binary attributes in progress, buffer->bin_buffer is setup in configfs_read_bin_file() but never freed. Fixes: 03607ace807b4 ("configfs: implement binary attributes") Signed-off-by: Chung-Chiang Cheng [hch: move the vfree rather than duplicating it] Signed-off-by: Christoph Hellwig --- fs/configfs/file.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'fs/configfs/file.c') diff --git a/fs/configfs/file.c b/fs/configfs/file.c index 53913b84383a..396418333513 100644 --- a/fs/configfs/file.c +++ b/fs/configfs/file.c @@ -407,13 +407,13 @@ static int configfs_release_bin_file(struct inode *inode, struct file *file) buffer->bin_buffer_size); } up_read(&frag->frag_sem); - /* vfree on NULL is safe */ - vfree(buffer->bin_buffer); - buffer->bin_buffer = NULL; - buffer->bin_buffer_size = 0; - buffer->needs_read_fill = 1; } + vfree(buffer->bin_buffer); + buffer->bin_buffer = NULL; + buffer->bin_buffer_size = 0; + buffer->needs_read_fill = 1; + configfs_release(inode, file); return 0; } -- cgit v1.2.3