Merge tag 'v5.10.131' of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux into ti-linux-5.10.y-cicd

This is the 5.10.131 stable release

* tag 'v5.10.131' of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux: (988 commits)
  Linux 5.10.131
  Revert "mtd: rawnand: gpmi: Fix setting busy timeout setting"
  Linux 5.10.130
  dmaengine: ti: Add missing put_device in ti_dra7_xbar_route_allocate
  dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
  dmaengine: at_xdma: handle errors of at_xdmac_alloc_desc() correctly
  dmaengine: pl330: Fix lockdep warning about non-static key
  ida: don't use BUG_ON() for debugging
  dt-bindings: dma: allwinner,sun50i-a64-dma: Fix min/max typo
  misc: rtsx_usb: set return value in rsp_buf alloc err path
  misc: rtsx_usb: use separate command and response buffers
  misc: rtsx_usb: fix use of dma mapped buffer for usb bulk transfer
  dmaengine: imx-sdma: Allow imx8m for imx7 FW revs
  i2c: cadence: Unregister the clk notifier in error path
  r8169: fix accessing unset transport header
  selftests: forwarding: fix error message in learning_test
  selftests: forwarding: fix learning_test when h1 supports IFF_UNICAST_FLT
  selftests: forwarding: fix flood_unicast_test when h2 supports IFF_UNICAST_FLT
  ibmvnic: Properly dispose of all skbs during a failover.
  i40e: Fix dropped jumbo frames statistics
  ...

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

# Conflicts:
#	drivers/pci/controller/cadence/pcie-cadence-ep.c

1 files changed, 14 insertions, 0 deletions

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 05d2176cc471..86969de17084 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -45,6 +45,7 @@
 
 struct mqueue_fs_context {
 	struct ipc_namespace	*ipc_ns;
+	bool			 newns;	/* Set if newly created ipc namespace */
 };
 
 #define MQUEUE_MAGIC	0x19800202
@@ -424,6 +425,14 @@ static int mqueue_get_tree(struct fs_context *fc)
 {
 	struct mqueue_fs_context *ctx = fc->fs_private;
 
+	/*
+	 * With a newly created ipc namespace, we don't need to do a search
+	 * for an ipc namespace match, but we still need to set s_fs_info.
+	 */
+	if (ctx->newns) {
+		fc->s_fs_info = ctx->ipc_ns;
+		return get_tree_nodev(fc, mqueue_fill_super);
+	}
 	return get_tree_keyed(fc, mqueue_fill_super, ctx->ipc_ns);
 }
 
@@ -451,6 +460,10 @@ static int mqueue_init_fs_context(struct fs_context *fc)
 	return 0;
 }
 
+/*
+ * mq_init_ns() is currently the only caller of mq_create_mount().
+ * So the ns parameter is always a newly created ipc namespace.
+ */
 static struct vfsmount *mq_create_mount(struct ipc_namespace *ns)
 {
 	struct mqueue_fs_context *ctx;
@@ -462,6 +475,7 @@ static struct vfsmount *mq_create_mount(struct ipc_namespace *ns)
 		return ERR_CAST(fc);
 
 	ctx = fc->fs_private;
+	ctx->newns = true;
 	put_ipc_ns(ctx->ipc_ns);
 	ctx->ipc_ns = get_ipc_ns(ns);
 	put_user_ns(fc->user_ns);