diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2026-03-25 10:00:18 +0100 |
|---|---|---|
| committer | Rob Herring (Arm) <robh@kernel.org> | 2026-03-26 14:12:02 -0500 |
| commit | 9d5149b3f2e7e80378907a8d3e4f7a94dfbbbdb8 (patch) | |
| tree | d650bcec1189fc5fc69cf9556386aa6c35699dcd /drivers/of | |
| parent | abdd23c8849d45c6bdef0ab6facbbc63bddebbe1 (diff) | |
| download | linux-next-9d5149b3f2e7e80378907a8d3e4f7a94dfbbbdb8.tar.gz linux-next-9d5149b3f2e7e80378907a8d3e4f7a94dfbbbdb8.zip | |
of: reserved_mem: use -ENODEV instead of -ENOENT
When given reserved memory region doesn't really support given node,
return -ENODEV instead of -ENOENT. Then fix __reserved_mem_init_node()
function to properly propagate error code different from -ENODEV instead
of silently ignoring it.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://patch.msgid.link/20260325090023.3175348-3-m.szyprowski@samsung.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/of_reserved_mem.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 6705b7afebf0..9aff460a0420 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -488,9 +488,10 @@ static int __init __reserved_mem_init_node(struct reserved_mem *rmem, { extern const struct of_device_id __reservedmem_of_table[]; const struct of_device_id *i; - int ret = -ENOENT; + int ret = -ENODEV; - for (i = __reservedmem_of_table; i < &__rmem_of_table_sentinel; i++) { + for (i = __reservedmem_of_table; ret == -ENODEV && + i < &__rmem_of_table_sentinel; i++) { reservedmem_of_init_fn initfn = i->data; const char *compat = i->compatible; @@ -574,7 +575,7 @@ static void __init fdt_init_reserved_mem_node(struct reserved_mem *rmem, nomap = of_get_flat_dt_prop(node, "no-map", NULL) != NULL; err = __reserved_mem_init_node(rmem, node); - if (err != 0 && err != -ENOENT) { + if (err != 0 && err != -ENODEV) { pr_info("node %s compatible matching fail\n", rmem->name); if (nomap) memblock_clear_nomap(rmem->base, rmem->size); |