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