Patch "parisc: Check the return value of ioremap() in lba_driver_probe()" has been added to the 5.19-stable tree

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This is a note to let you know that I've just added the patch titled

    parisc: Check the return value of ioremap() in lba_driver_probe()

to the 5.19-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     parisc-check-the-return-value-of-ioremap-in-lba_driver_probe.patch
and it can be found in the queue-5.19 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From cf59f34d7f978d14d6520fd80a78a5ad5cb8abf8 Mon Sep 17 00:00:00 2001
From: William Dean <williamsukatube@xxxxxxxxx>
Date: Fri, 22 Jul 2022 10:57:09 +0800
Subject: parisc: Check the return value of ioremap() in lba_driver_probe()

From: William Dean <williamsukatube@xxxxxxxxx>

commit cf59f34d7f978d14d6520fd80a78a5ad5cb8abf8 upstream.

The function ioremap() in lba_driver_probe() can fail, so
its return value should be checked.

Fixes: 4bdc0d676a643 ("remove ioremap_nocache and devm_ioremap_nocache")
Reported-by: Hacash Robot <hacashRobot@xxxxxxxxxxx>
Signed-off-by: William Dean <williamsukatube@xxxxxxxxx>
Signed-off-by: Helge Deller <deller@xxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v5.6+
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/parisc/lba_pci.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -1476,9 +1476,13 @@ lba_driver_probe(struct parisc_device *d
 	u32 func_class;
 	void *tmp_obj;
 	char *version;
-	void __iomem *addr = ioremap(dev->hpa.start, 4096);
+	void __iomem *addr;
 	int max;
 
+	addr = ioremap(dev->hpa.start, 4096);
+	if (addr == NULL)
+		return -ENOMEM;
+
 	/* Read HW Rev First */
 	func_class = READ_REG32(addr + LBA_FCLASS);
 


Patches currently in stable-queue which might be from williamsukatube@xxxxxxxxx are

queue-5.19/parisc-check-the-return-value-of-ioremap-in-lba_driver_probe.patch



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