Merge tag 'v6.12-rc7' into __tmp-hansg-linux-tags_media_atomisp_6_13_1

Linux 6.12-rc7

* tag 'v6.12-rc7': (1909 commits)
  Linux 6.12-rc7
  filemap: Fix bounds checking in filemap_read()
  i2c: designware: do not hold SCL low when I2C_DYNAMIC_TAR_UPDATE is not set
  mailmap: add entry for Thorsten Blum
  ocfs2: remove entry once instead of null-ptr-dereference in ocfs2_xa_remove()
  signal: restore the override_rlimit logic
  fs/proc: fix compile warning about variable 'vmcore_mmap_ops'
  ucounts: fix counter leak in inc_rlimit_get_ucounts()
  selftests: hugetlb_dio: check for initial conditions to skip in the start
  mm: fix docs for the kernel parameter ``thp_anon=``
  mm/damon/core: avoid overflow in damon_feed_loop_next_input()
  mm/damon/core: handle zero schemes apply interval
  mm/damon/core: handle zero {aggregation,ops_update} intervals
  mm/mlock: set the correct prev on failure
  objpool: fix to make percpu slot allocation more robust
  mm/page_alloc: keep track of free highatomic
  bcachefs: Fix UAF in __promote_alloc() error path
  bcachefs: Change OPT_STR max to be 1 less than the size of choices array
  bcachefs: btree_cache.freeable list fixes
  bcachefs: check the invalid parameter for perf test
  ...

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
index bbb8edb62e00..5669f94c3d06 100644
--- a/drivers/platform/x86/amd/pmc/pmc.c
+++ b/drivers/platform/x86/amd/pmc/pmc.c
@@ -998,6 +998,11 @@ static int amd_pmc_s2d_init(struct amd_pmc_dev *dev)
 	amd_pmc_send_cmd(dev, S2D_PHYS_ADDR_LOW, &phys_addr_low, dev->s2d_msg_id, true);
 	amd_pmc_send_cmd(dev, S2D_PHYS_ADDR_HIGH, &phys_addr_hi, dev->s2d_msg_id, true);
 
+	if (!phys_addr_hi && !phys_addr_low) {
+		dev_err(dev->dev, "STB is not enabled on the system; disable enable_stb or contact system vendor\n");
+		return -EINVAL;
+	}
+
 	stb_phys_addr = ((u64)phys_addr_hi << 32 | phys_addr_low);
 
 	/* Clear msg_port for other SMU operation */