summaryrefslogtreecommitdiff
path: root/block/blk-mq-debugfs.c
diff options
context:
space:
mode:
authorJens Axboe <axboe@kernel.dk>2019-02-15 18:43:59 +0300
committerJens Axboe <axboe@kernel.dk>2019-02-15 18:43:59 +0300
commit6fb845f0e78de19eaaf6a2d351702474e44b6a9e (patch)
tree94c6474b38d8f59d8f0de0151053283812e456c6 /block/blk-mq-debugfs.c
parent56d18f62f556b80105e38e7975975cf7465aae3e (diff)
parentd13937116f1e82bf508a6325111b322c30c85eb9 (diff)
downloadlinux-6fb845f0e78de19eaaf6a2d351702474e44b6a9e.tar.xz
Merge tag 'v5.0-rc6' into for-5.1/block
Pull in 5.0-rc6 to avoid a dumb merge conflict with fs/iomap.c. This is needed since io_uring is now based on the block branch, to avoid a conflict between the multi-page bvecs and the bits of io_uring that touch the core block parts. * tag 'v5.0-rc6': (525 commits) Linux 5.0-rc6 x86/mm: Make set_pmd_at() paravirt aware MAINTAINERS: Update the ocores i2c bus driver maintainer, etc blk-mq: remove duplicated definition of blk_mq_freeze_queue Blk-iolatency: warn on negative inflight IO counter blk-iolatency: fix IO hang due to negative inflight counter MAINTAINERS: unify reference to xen-devel list x86/mm/cpa: Fix set_mce_nospec() futex: Handle early deadlock return correctly futex: Fix barrier comment net: dsa: b53: Fix for failure when irq is not defined in dt blktrace: Show requests without sector mips: cm: reprime error cause mips: loongson64: remove unreachable(), fix loongson_poweroff(). sit: check if IPv6 enabled before calling ip6_err_gen_icmpv6_unreach() geneve: should not call rt6_lookup() when ipv6 was disabled KVM: nVMX: unconditionally cancel preemption timer in free_nested (CVE-2019-7221) KVM: x86: work around leak of uninitialized stack contents (CVE-2019-7222) kvm: fix kvm_ioctl_create_device() reference counting (CVE-2019-6974) signal: Better detection of synchronous signals ...
Diffstat (limited to 'block/blk-mq-debugfs.c')
-rw-r--r--block/blk-mq-debugfs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index c39247c5ddb6..bac34b72b33b 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -836,6 +836,9 @@ static const struct blk_mq_debugfs_attr blk_mq_debugfs_ctx_attrs[] = {
static bool debugfs_create_files(struct dentry *parent, void *data,
const struct blk_mq_debugfs_attr *attr)
{
+ if (IS_ERR_OR_NULL(parent))
+ return false;
+
d_inode(parent)->i_private = data;
for (; attr->name; attr++) {