| Message ID | 20240208184913.484340-12-mathieu.desnoyers@efficios.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Introduce cpu_dcache_is_aliasing() to fix DAX regression | expand |
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index a3010849bfed..f363c1d51d9a 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -679,8 +679,8 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char goto put_dev; dax_dev = alloc_dax(dev_info, &dcssblk_dax_ops); - if (IS_ERR_OR_NULL(dax_dev)) { - rc = IS_ERR(dax_dev) ? PTR_ERR(dax_dev) : -EOPNOTSUPP; + if (IS_ERR(dax_dev)) { + rc = PTR_ERR(dax_dev); goto put_dev; } set_dax_synchronous(dax_dev);
Now that alloc_dax() returns ERR_PTR(-EOPNOTSUPP) rather than NULL, the callers do not have to handle NULL return values anymore. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Alasdair Kergon <agk@redhat.com> Cc: Mike Snitzer <snitzer@kernel.org> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Russell King <linux@armlinux.org.uk> Cc: linux-arch@vger.kernel.org Cc: linux-cxl@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org Cc: linux-mm@kvack.org Cc: linux-xfs@vger.kernel.org Cc: dm-devel@lists.linux.dev Cc: nvdimm@lists.linux.dev Cc: linux-s390@vger.kernel.org --- drivers/s390/block/dcssblk.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)