Btrfs: Fix memset length in btrfs_file_write

Signed-off-by: Chris Mason <chris.mason@oracle.com>

Btrfs: Fix memset length in btrfs_file_write
Signed-off-by: Chris Mason <chris.mason@oracle.com>
9aead435 · yanhai zhu · Chris Mason · 52c26179 · 9aead435
Commit 9aead435 authored Jan 05, 2009 by yanhai zhu Committed by Chris Mason Jan 05, 2009
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fs/btrfs/file.c fs/btrfs/file.c +1 -1

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--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1094,7 +1094,7 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 					PAGE_CACHE_SHIFT;
 		WARN_ON(num_pages > nrptrs);
-		memset(pages, 0, sizeof(pages));
+		memset(pages, 0, sizeof(struct page *) * nrptrs);
 		ret = btrfs_check_free_space(root, write_bytes, 0);
 		if (ret)