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{
    "id": 2222564,
    "url": "http://patchwork.ozlabs.org/api/1.1/patches/2222564/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260412195947.1982729-9-ravi@prevas.dk/",
    "project": {
        "id": 18,
        "url": "http://patchwork.ozlabs.org/api/1.1/projects/18/?format=api",
        "name": "U-Boot",
        "link_name": "uboot",
        "list_id": "u-boot.lists.denx.de",
        "list_email": "u-boot@lists.denx.de",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null
    },
    "msgid": "<20260412195947.1982729-9-ravi@prevas.dk>",
    "date": "2026-04-12T19:59:47",
    "name": "[8/8] drivers/core: use memdup() instead of malloc()+memcpy()",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "f6206d3abb5a44f943ce7f16e8fbffb91915b808",
    "submitter": {
        "id": 89443,
        "url": "http://patchwork.ozlabs.org/api/1.1/people/89443/?format=api",
        "name": "Rasmus Villemoes",
        "email": "ravi@prevas.dk"
    },
    "delegate": {
        "id": 3651,
        "url": "http://patchwork.ozlabs.org/api/1.1/users/3651/?format=api",
        "username": "trini",
        "first_name": "Tom",
        "last_name": "Rini",
        "email": "trini@ti.com"
    },
    "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260412195947.1982729-9-ravi@prevas.dk/mbox/",
    "series": [
        {
            "id": 499629,
            "url": "http://patchwork.ozlabs.org/api/1.1/series/499629/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=499629",
            "date": "2026-04-12T19:59:41",
            "name": "add memdup_nul(), use it and memdup() in a few places",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/499629/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2222564/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2222564/checks/",
    "tags": {},
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        "From": "Rasmus Villemoes <ravi@prevas.dk>",
        "To": "u-boot@lists.denx.de",
        "Cc": "Tom Rini <trini@konsulko.com>, Simon Glass <sjg@chromium.org>,\n Rasmus Villemoes <ravi@prevas.dk>",
        "Subject": "[PATCH 8/8] drivers/core: use memdup() instead of malloc()+memcpy()",
        "Date": "Sun, 12 Apr 2026 21:59:47 +0200",
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    "content": "Use memdup() instead of open-coding it.\n\nIn the dm_setup_inst() case, there was never any reason to use\ncalloc(), as the whole allocation is definitely initialized via the\nimmediately following memcpy().\n\nSigned-off-by: Rasmus Villemoes <ravi@prevas.dk>\n---\n drivers/core/acpi.c   | 3 +--\n drivers/core/ofnode.c | 3 +--\n drivers/core/root.c   | 3 +--\n 3 files changed, 3 insertions(+), 6 deletions(-)",
    "diff": "diff --git a/drivers/core/acpi.c b/drivers/core/acpi.c\nindex 4763963914b..6a431171c8d 100644\n--- a/drivers/core/acpi.c\n+++ b/drivers/core/acpi.c\n@@ -154,10 +154,9 @@ static int add_item(struct acpi_ctx *ctx, struct udevice *dev,\n \tif (!item->size)\n \t\treturn 0;\n \tif (type != TYPE_OTHER) {\n-\t\titem->buf = malloc(item->size);\n+\t\titem->buf = memdup(start, item->size);\n \t\tif (!item->buf)\n \t\t\treturn log_msg_ret(\"mem\", -ENOMEM);\n-\t\tmemcpy(item->buf, start, item->size);\n \t}\n \titem_count++;\n \tlog_debug(\"* %s: Added type %d, %p, size %x\\n\",\ndiff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c\nindex 3a36b6fdd03..12511f10aa9 100644\n--- a/drivers/core/ofnode.c\n+++ b/drivers/core/ofnode.c\n@@ -1750,10 +1750,9 @@ int ofnode_write_prop(ofnode node, const char *propname, const void *value,\n \t\tvoid *newval;\n \n \t\tif (copy) {\n-\t\t\tnewval = malloc(len);\n+\t\t\tnewval = memdup(value, len);\n \t\t\tif (!newval)\n \t\t\t\treturn log_ret(-ENOMEM);\n-\t\t\tmemcpy(newval, value, len);\n \t\t\tvalue = newval;\n \t\t}\n \t\tret = of_write_prop(ofnode_to_np(node), propname, len, value);\ndiff --git a/drivers/core/root.c b/drivers/core/root.c\nindex d43645f34dd..1f32f33b295 100644\n--- a/drivers/core/root.c\n+++ b/drivers/core/root.c\n@@ -81,10 +81,9 @@ static int dm_setup_inst(void)\n \t\t/* Now allocate space for the priv/plat data, and copy it in */\n \t\tsize = __priv_data_end - __priv_data_start;\n \n-\t\tbase = calloc(1, size);\n+\t\tbase = memdup(__priv_data_start, size);\n \t\tif (!base)\n \t\t\treturn log_msg_ret(\"priv\", -ENOMEM);\n-\t\tmemcpy(base, __priv_data_start, size);\n \t\tgd_set_dm_priv_base(base);\n \t}\n \n",
    "prefixes": [
        "8/8"
    ]
}