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authorJakub Kicinski <kuba@kernel.org>2020-09-04 21:18:58 -0700
committerJakub Kicinski <kuba@kernel.org>2020-09-04 21:28:59 -0700
commit44a8c4f33c0073ca614db79f22e023811bdd0f3c (patch)
tree2d29271961a485f621bd14294ec57e816290541e /drivers/dax/super.c
parent3ab1270bfa1e8ae7db0d46fee90c5db2935ac91b (diff)
parentc70672d8d316ebd46ea447effadfe57ab7a30a50 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
We got slightly different patches removing a double word in a comment in net/ipv4/raw.c - picked the version from net. Simple conflict in drivers/net/ethernet/ibm/ibmvnic.c. Use cached values instead of VNIC login response buffer (following what commit 507ebe6444a4 ("ibmvnic: Fix use-after-free of VNIC login response buffer") did). Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/dax/super.c')
-rw-r--r--drivers/dax/super.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index c82cbcb64202..32642634c1bb 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -100,6 +100,12 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev,
return false;
}
+ if (!dax_dev && !bdev_dax_supported(bdev, blocksize)) {
+ pr_debug("%s: error: dax unsupported by block device\n",
+ bdevname(bdev, buf));
+ return false;
+ }
+
id = dax_read_lock();
len = dax_direct_access(dax_dev, pgoff, 1, &kaddr, &pfn);
len2 = dax_direct_access(dax_dev, pgoff_end, 1, &end_kaddr, &end_pfn);