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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-02-09 12:58:22 -0500 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-05-08 14:28:18 -0400 |
| commit | 5fb9bfe01c88788ca3a99c44e44d52abb138595d (patch) | |
| tree | 53133b004ff8111d709c953c9681e7f2a474ede0 /drivers/scsi/scsicam.c | |
| parent | 379c72654524d97081f8810a0e4284a16f78a25e (diff) | |
| download | linux-stable-5fb9bfe01c88788ca3a99c44e44d52abb138595d.tar.gz linux-stable-5fb9bfe01c88788ca3a99c44e44d52abb138595d.tar.bz2 linux-stable-5fb9bfe01c88788ca3a99c44e44d52abb138595d.zip | |
scsicam: Fix use of page cache
Convert scsicam to use a folio instead of a page. There is no need to
check the error flag here; read_cache_folio() will return -EIO if the
folio cannot be read correctly.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'drivers/scsi/scsicam.c')
| -rw-r--r-- | drivers/scsi/scsicam.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c index acdc0aceca5e..e2c7d8ef205f 100644 --- a/drivers/scsi/scsicam.c +++ b/drivers/scsi/scsicam.c @@ -34,15 +34,14 @@ unsigned char *scsi_bios_ptable(struct block_device *dev) { struct address_space *mapping = bdev_whole(dev)->bd_inode->i_mapping; unsigned char *res = NULL; - struct page *page; + struct folio *folio; - page = read_mapping_page(mapping, 0, NULL); - if (IS_ERR(page)) + folio = read_mapping_folio(mapping, 0, NULL); + if (IS_ERR(folio)) return NULL; - if (!PageError(page)) - res = kmemdup(page_address(page) + 0x1be, 66, GFP_KERNEL); - put_page(page); + res = kmemdup(folio_address(folio) + 0x1be, 66, GFP_KERNEL); + folio_put(folio); return res; } EXPORT_SYMBOL(scsi_bios_ptable); |