From: Wandun Chen <chenwandun1@gmail.com>
To: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, loongarch@lists.linux.dev,
linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
kexec@lists.infradead.org, iommu@lists.linux.dev,
zhaomeijing@lixiang.com
Cc: catalin.marinas@arm.com, will@kernel.org, chenhuacai@kernel.org,
kernel@xen0n.name, pjw@kernel.org, palmer@dabbelt.com,
aou@eecs.berkeley.edu, alex@ghiti.fr, robh@kernel.org,
saravanak@kernel.org, akpm@linux-foundation.org, bhe@redhat.com,
rppt@kernel.org, pasha.tatashin@soleen.com, pratyush@kernel.org,
ruirui.yang@linux.dev, m.szyprowski@samsung.com,
robin.murphy@arm.com, leitao@debian.org, kees@kernel.org,
coxu@redhat.com, tangyouling@kylinos.cn,
songshuaishuai@tinylab.org
Subject: [PATCH v2 1/8] of: reserved_mem: handle NULL name in of_reserved_mem_lookup()
Date: Wed, 20 May 2026 17:18:37 +0800 [thread overview]
Message-ID: <20260520091844.592753-2-chenwandun@lixiang.com> (raw)
In-Reply-To: <20260520091844.592753-1-chenwandun@lixiang.com>
From: Wandun Chen <chenwandun1@gmail.com>
From: Wandun Chen <chenwandun@lixiang.com>
Prepare for an upcoming change that appends /memreserve/ entries to
reserved_mem[]; such entries have no name.
No functional change.
Signed-off-by: Wandun Chen <chenwandun@lixiang.com>
---
drivers/of/of_reserved_mem.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 8d5777cb5d1b..313cbc57aa45 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -788,7 +788,8 @@ struct reserved_mem *of_reserved_mem_lookup(struct device_node *np)
name = kbasename(np->full_name);
for (i = 0; i < reserved_mem_count; i++)
- if (!strcmp(reserved_mem[i].name, name))
+ if (reserved_mem[i].name &&
+ !strcmp(reserved_mem[i].name, name))
return &reserved_mem[i];
return NULL;
--
2.43.0
next prev parent reply other threads:[~2026-05-20 9:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-20 9:18 [PATCH v2 0/8] kdump: reduce vmcore size and capture time Wandun Chen
2026-05-20 9:18 ` Wandun Chen [this message]
2026-05-20 9:18 ` [PATCH v2 2/8] kexec/crash: provide crash_exclude_mem_range() stub when CONFIG_CRASH_DUMP=n Wandun Chen
2026-05-20 9:18 ` [PATCH v2 3/8] of: reserved_mem: add dumpable flag to opt-in vmcore Wandun Chen
2026-05-20 9:53 ` Marek Szyprowski
2026-05-20 9:18 ` [PATCH v2 4/8] of: reserved_mem: save /memreserve/ entries into the reserved_mem array Wandun Chen
2026-05-20 9:18 ` [PATCH v2 5/8] of: reserved_mem: add kdump helpers to exclude non-dumpable regions Wandun Chen
2026-05-20 9:18 ` [PATCH v2 6/8] arm64: kdump: exclude non-dumpable reserved memory regions from vmcore Wandun Chen
2026-05-20 9:18 ` [PATCH v2 7/8] riscv: " Wandun Chen
2026-05-20 9:18 ` [PATCH v2 8/8] loongarch: " Wandun Chen
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