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| author | Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2021-02-07 20:04:22 +0100 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2021-03-25 15:19:48 +0100 |
| commit | 4d93874b9e9ce582fd4401334c88eaf93b6dff43 (patch) | |
| tree | 21862e2655e2d4d24ec7c4bbe763c2cf7f83faef /fs/ext4 | |
| parent | Linux 5.12-rc4 (diff) | |
| download | linux-4d93874b9e9ce582fd4401334c88eaf93b6dff43.tar.xz linux-4d93874b9e9ce582fd4401334c88eaf93b6dff43.zip | |
ext4: use memcpy_from_page() in pagecache_read()
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Link: https://lore.kernel.org/r/20210207190425.38107-6-chaitanya.kulkarni@wdc.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/verity.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c index 00e3cbde472e..daf88669a2e9 100644 --- a/fs/ext4/verity.c +++ b/fs/ext4/verity.c @@ -45,16 +45,13 @@ static int pagecache_read(struct inode *inode, void *buf, size_t count, size_t n = min_t(size_t, count, PAGE_SIZE - offset_in_page(pos)); struct page *page; - void *addr; page = read_mapping_page(inode->i_mapping, pos >> PAGE_SHIFT, NULL); if (IS_ERR(page)) return PTR_ERR(page); - addr = kmap_atomic(page); - memcpy(buf, addr + offset_in_page(pos), n); - kunmap_atomic(addr); + memcpy_from_page(buf, page, offset_in_page(pos), n); put_page(page); |