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5.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johan Hovold <johan@kernel.org>

commit 80aa518452c4aceb9459f9a8e3184db657d1b441 upstream.

Make sure to drop the reference taken to the iommu platform device when
looking up its driver data during of_xlate().

Fixes: 7b2d59611fef ("iommu/ipmmu-vmsa: Replace local utlb code with fwspec ids")
Cc: stable@vger.kernel.org	# 4.14
Cc: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iommu/ipmmu-vmsa.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -710,6 +710,8 @@ static int ipmmu_init_platform_device(st
 
 	dev_iommu_priv_set(dev, platform_get_drvdata(ipmmu_pdev));
 
+	put_device(&ipmmu_pdev->dev);
+
 	return 0;
 }
 




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To: stable@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	patches@lists.linux.dev,
	Suman Anna <s-anna@ti.com>,
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Subject: [PATCH 5.15 378/554] iommu/omap: fix device leaks on probe_device()
Date: Thu, 15 Jan 2026 17:47:24 +0100
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5.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johan Hovold <johan@kernel.org>

commit b5870691065e6bbe6ba0650c0412636c6a239c5a upstream.

Make sure to drop the references taken to the iommu platform devices
when looking up their driver data during probe_device().

Note that the arch data device pointer added by commit 604629bcb505
("iommu/omap: add support for late attachment of iommu devices") has
never been used. Remove it to underline that the references are not
needed.

Fixes: 9d5018deec86 ("iommu/omap: Add support to program multiple iommus")
Fixes: 7d6827748d54 ("iommu/omap: Fix iommu archdata name for DT-based devices")
Cc: stable@vger.kernel.org	# 3.18
Cc: Suman Anna <s-anna@ti.com>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iommu/omap-iommu.c |    2 +-
 drivers/iommu/omap-iommu.h |    2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1682,6 +1682,7 @@ static struct iommu_device *omap_iommu_p
 		}
 
 		oiommu = platform_get_drvdata(pdev);
+		put_device(&pdev->dev);
 		if (!oiommu) {
 			of_node_put(np);
 			kfree(arch_data);
@@ -1689,7 +1690,6 @@ static struct iommu_device *omap_iommu_p
 		}
 
 		tmp->iommu_dev = oiommu;
-		tmp->dev = &pdev->dev;
 
 		of_node_put(np);
 	}
--- a/drivers/iommu/omap-iommu.h
+++ b/drivers/iommu/omap-iommu.h
@@ -88,7 +88,6 @@ struct omap_iommu {
 /**
  * struct omap_iommu_arch_data - omap iommu private data
  * @iommu_dev: handle of the OMAP iommu device
- * @dev: handle of the iommu device
  *
  * This is an omap iommu private data object, which binds an iommu user
  * to its iommu device. This object should be placed at the iommu user's
@@ -97,7 +96,6 @@ struct omap_iommu {
  */
 struct omap_iommu_arch_data {
 	struct omap_iommu *iommu_dev;
-	struct device *dev;
 };
 
 struct cr_regs {




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Subject: [PATCH 5.10 317/451] media: adv7842: Avoid possible out-of-bounds array accesses in adv7842_cp_log_status()
Date: Thu, 15 Jan 2026 17:48:38 +0100
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5.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ivan Abramov <i.abramov@mt-integration.ru>

commit 8163419e3e05d71dcfa8fb49c8fdf8d76908fe51 upstream.

It's possible for cp_read() and hdmi_read() to return -EIO. Those
values are further used as indexes for accessing arrays.

Fix that by checking return values where it's needed.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: a89bcd4c6c20 ("[media] adv7842: add new video decoder driver")
Cc: stable@vger.kernel.org
Signed-off-by: Ivan Abramov <i.abramov@mt-integration.ru>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/media/i2c/adv7842.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -2671,6 +2671,7 @@ static int adv7842_cp_log_status(struct
 	/* CP block */
 	struct adv7842_state *state = to_state(sd);
 	struct v4l2_dv_timings timings;
+	int temp;
 	u8 reg_io_0x02 = io_read(sd, 0x02);
 	u8 reg_io_0x21 = io_read(sd, 0x21);
 	u8 reg_rep_0x77 = rep_read(sd, 0x77);
@@ -2793,8 +2794,9 @@ static int adv7842_cp_log_status(struct
 		  (((reg_io_0x02 >> 2) & 0x01) ^ (reg_io_0x02 & 0x01)) ?
 			"(16-235)" : "(0-255)",
 		  (reg_io_0x02 & 0x08) ? "enabled" : "disabled");
+	temp = cp_read(sd, 0xf4) >> 4;
 	v4l2_info(sd, "Color space conversion: %s\n",
-		  csc_coeff_sel_rb[cp_read(sd, 0xf4) >> 4]);
+		  temp < 0 ? "" : csc_coeff_sel_rb[temp]);
 
 	if (!is_digital_input(sd))
 		return 0;
@@ -2824,8 +2826,9 @@ static int adv7842_cp_log_status(struct
 			hdmi_read(sd, 0x5f));
 	v4l2_info(sd, "AV Mute: %s\n",
 			(hdmi_read(sd, 0x04) & 0x40) ? "on" : "off");
+	temp = hdmi_read(sd, 0x0b) >> 6;
 	v4l2_info(sd, "Deep color mode: %s\n",
-			deep_color_mode_txt[hdmi_read(sd, 0x0b) >> 6]);
+			temp < 0 ? "" : deep_color_mode_txt[temp]);
 
 	adv7842_log_infoframes(sd);
 




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	=?UTF-8?q?Ren=C3=A9=20Rebe?= <rene@exactco.de>,
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Subject: [PATCH 5.10 321/451] fbdev: tcx.c fix mem_map to correct smem_start offset
Date: Thu, 15 Jan 2026 17:48:42 +0100
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5.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: René Rebe <rene@exactco.de>

commit 35fa2b4bf96415b88d7edaa5cf8af5185d9ce76e upstream.

403ae52ac047 ("sparc: fix drivers/video/tcx.c warning") changed the
physbase initializing breaking the user-space mmap, e.g. for Xorg
entirely.

Fix fbdev mmap table so the sbus mmap helper work correctly, and
not try to map vastly (physbase) offset memory.

Fixes: 403ae52ac047 ("sparc: fix drivers/video/tcx.c warning")
Cc: <stable@vger.kernel.org>
Signed-off-by: René Rebe <rene@exactco.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/video/fbdev/tcx.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/video/fbdev/tcx.c
+++ b/drivers/video/fbdev/tcx.c
@@ -436,7 +436,7 @@ static int tcx_probe(struct platform_dev
 			j = i;
 			break;
 		}
-		par->mmap_map[i].poff = op->resource[j].start;
+		par->mmap_map[i].poff = op->resource[j].start - info->fix.smem_start;
 	}
 
 	info->flags = FBINFO_DEFAULT;




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	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.15 351/554] genalloc.h: fix htmldocs warning
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5.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrew Morton <akpm@linux-foundation.org>

[ Upstream commit 5393802c94e0ab1295c04c94c57bcb00222d4674 ]

WARNING: include/linux/genalloc.h:52 function parameter 'start_addr' not described in 'genpool_algo_t'

Fixes: 52fbf1134d47 ("lib/genalloc.c: fix allocation of aligned buffer from non-aligned chunk")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lkml.kernel.org/r/20251127130624.563597e3@canb.auug.org.au
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Alexey Skidanov <alexey.skidanov@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/genalloc.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h
index 0bd581003cd5..60de63e46b33 100644
--- a/include/linux/genalloc.h
+++ b/include/linux/genalloc.h
@@ -44,6 +44,7 @@ struct gen_pool;
  * @nr: The number of zeroed bits we're looking for
  * @data: optional additional data used by the callback
  * @pool: the pool being allocated from
+ * @start_addr: start address of memory chunk
  */
 typedef unsigned long (*genpool_algo_t)(unsigned long *map,
 			unsigned long size,
-- 
2.51.0





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Subject: [PATCH 5.15 394/554] fbdev: tcx.c fix mem_map to correct smem_start offset
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5.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: René Rebe <rene@exactco.de>

commit 35fa2b4bf96415b88d7edaa5cf8af5185d9ce76e upstream.

403ae52ac047 ("sparc: fix drivers/video/tcx.c warning") changed the
physbase initializing breaking the user-space mmap, e.g. for Xorg
entirely.

Fix fbdev mmap table so the sbus mmap helper work correctly, and
not try to map vastly (physbase) offset memory.

Fixes: 403ae52ac047 ("sparc: fix drivers/video/tcx.c warning")
Cc: <stable@vger.kernel.org>
Signed-off-by: René Rebe <rene@exactco.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/video/fbdev/tcx.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/video/fbdev/tcx.c
+++ b/drivers/video/fbdev/tcx.c
@@ -436,7 +436,7 @@ static int tcx_probe(struct platform_dev
 			j = i;
 			break;
 		}
-		par->mmap_map[i].poff = op->resource[j].start;
+		par->mmap_map[i].poff = op->resource[j].start - info->fix.smem_start;
 	}
 
 	info->flags = FBINFO_DEFAULT;




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