Blame patches.suse/Input-gscps2-check-return-value-of-ioremap-in-gscps2.patch
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Oliver Neukum |
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From e61b3125a4f036b3c6b87ffd656fc1ab00440ae9 Mon Sep 17 00:00:00 2001
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From: Xie Shaowen <studentxswpy@163.com>
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Oliver Neukum |
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Date: Tue, 2 Aug 2022 15:20:33 +0800
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Subject: [PATCH] Input: gscps2 - check return value of ioremap() in
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gscps2_probe()
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Git-commit: e61b3125a4f036b3c6b87ffd656fc1ab00440ae9
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References: git-fixes
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Patch-mainline: v6.0-rc1
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The function ioremap() in gscps2_probe() can fail, so
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its return value should be checked.
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Fixes: 4bdc0d676a643 ("remove ioremap_nocache and devm_ioremap_nocache")
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Cc: <stable@vger.kernel.org> # v5.6+
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Reported-by: Hacash Robot <hacashRobot@santino.com>
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Signed-off-by: Xie Shaowen <studentxswpy@163.com>
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Signed-off-by: Helge Deller <deller@gmx.de>
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Signed-off-by: Oliver Neukum <oneukum@suse.com>
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---
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drivers/input/serio/gscps2.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/input/serio/gscps2.c
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+++ b/drivers/input/serio/gscps2.c
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@@ -351,6 +351,10 @@ static int gscps2_probe(struct parisc_de
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ps2port->port = serio;
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ps2port->padev = dev;
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ps2port->addr = ioremap_nocache(hpa, GSC_STATUS + 4);
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+ if (!ps2port->addr) {
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+ ret = -ENOMEM;
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+ goto fail_nomem;
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+ }
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spin_lock_init(&ps2port->lock);
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gscps2_reset(ps2port);
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