From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/of/address.c | 21 +++++++++++++++------
1 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/kernel/drivers/of/address.c b/kernel/drivers/of/address.c
index 73ddf25..f686fb5 100644
--- a/kernel/drivers/of/address.c
+++ b/kernel/drivers/of/address.c
@@ -990,8 +990,19 @@
}
of_dma_range_parser_init(&parser, node);
- for_each_of_range(&parser, &range)
+ for_each_of_range(&parser, &range) {
+ if (range.cpu_addr == OF_BAD_ADDR) {
+ pr_err("translation of DMA address(%llx) to CPU address failed node(%pOF)\n",
+ range.bus_addr, node);
+ continue;
+ }
num_ranges++;
+ }
+
+ if (!num_ranges) {
+ ret = -EINVAL;
+ goto out;
+ }
r = kcalloc(num_ranges + 1, sizeof(*r), GFP_KERNEL);
if (!r) {
@@ -1000,18 +1011,16 @@
}
/*
- * Record all info in the generic DMA ranges array for struct device.
+ * Record all info in the generic DMA ranges array for struct device,
+ * returning an error if we don't find any parsable ranges.
*/
*map = r;
of_dma_range_parser_init(&parser, node);
for_each_of_range(&parser, &range) {
pr_debug("dma_addr(%llx) cpu_addr(%llx) size(%llx)\n",
range.bus_addr, range.cpu_addr, range.size);
- if (range.cpu_addr == OF_BAD_ADDR) {
- pr_err("translation of DMA address(%llx) to CPU address failed node(%pOF)\n",
- range.bus_addr, node);
+ if (range.cpu_addr == OF_BAD_ADDR)
continue;
- }
r->cpu_start = range.cpu_addr;
r->dma_start = range.bus_addr;
r->size = range.size;
--
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