Patch "soc: sifive: ccache: fix missing iounmap() in error path in sifive_ccache_init()" has been added to the 6.1-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

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

    soc: sifive: ccache: fix missing iounmap() in error path in sifive_ccache_init()

to the 6.1-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:
     soc-sifive-ccache-fix-missing-iounmap-in-error-path-.patch
and it can be found in the queue-6.1 subdirectory.

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



commit 75b1dd3a17cc648586a8ef1e20bdc6b42c09c5ba
Author: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Date:   Tue Oct 18 10:31:47 2022 +0800

    soc: sifive: ccache: fix missing iounmap() in error path in sifive_ccache_init()
    
    [ Upstream commit 73e770f085023da327dc9ffeb6cd96b0bb22d97e ]
    
    Add missing iounmap() before return error from sifive_ccache_init().
    
    Fixes: a967a289f169 ("RISC-V: sifive_l2_cache: Add L2 cache controller driver for SiFive SoCs")
    Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
    Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
    Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/soc/sifive/sifive_ccache.c b/drivers/soc/sifive/sifive_ccache.c
index 1c171150e878..25019c16d8ae 100644
--- a/drivers/soc/sifive/sifive_ccache.c
+++ b/drivers/soc/sifive/sifive_ccache.c
@@ -222,13 +222,16 @@ static int __init sifive_ccache_init(void)
 	if (!ccache_base)
 		return -ENOMEM;
 
-	if (of_property_read_u32(np, "cache-level", &level))
-		return -ENOENT;
+	if (of_property_read_u32(np, "cache-level", &level)) {
+		rc = -ENOENT;
+		goto err_unmap;
+	}
 
 	intr_num = of_property_count_u32_elems(np, "interrupts");
 	if (!intr_num) {
 		pr_err("No interrupts property\n");
-		return -ENODEV;
+		rc = -ENODEV;
+		goto err_unmap;
 	}
 
 	for (i = 0; i < intr_num; i++) {
@@ -237,7 +240,7 @@ static int __init sifive_ccache_init(void)
 				 NULL);
 		if (rc) {
 			pr_err("Could not request IRQ %d\n", g_irq[i]);
-			return rc;
+			goto err_unmap;
 		}
 	}
 
@@ -250,6 +253,10 @@ static int __init sifive_ccache_init(void)
 	setup_sifive_debug();
 #endif
 	return 0;
+
+err_unmap:
+	iounmap(ccache_base);
+	return rc;
 }
 
 device_initcall(sifive_ccache_init);