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{
    "id": 806172,
    "url": "http://patchwork.ozlabs.org/api/patches/806172/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20170826225110.7381-5-xypron.glpk@gmx.de/",
    "project": {
        "id": 18,
        "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api",
        "name": "U-Boot",
        "link_name": "uboot",
        "list_id": "u-boot.lists.denx.de",
        "list_email": "u-boot@lists.denx.de",
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    "msgid": "<20170826225110.7381-5-xypron.glpk@gmx.de>",
    "list_archive_url": null,
    "date": "2017-08-26T22:51:05",
    "name": "[U-Boot,04/23] efi_loader: rework efi_locate_handle",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "e84b3730c72c1f8718eb2e334df6be8f783a8722",
    "submitter": {
        "id": 61270,
        "url": "http://patchwork.ozlabs.org/api/people/61270/?format=api",
        "name": "Heinrich Schuchardt",
        "email": "xypron.glpk@gmx.de"
    },
    "delegate": {
        "id": 3400,
        "url": "http://patchwork.ozlabs.org/api/users/3400/?format=api",
        "username": "agraf",
        "first_name": "Alexander",
        "last_name": "Graf",
        "email": "agraf@suse.de"
    },
    "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20170826225110.7381-5-xypron.glpk@gmx.de/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/806172/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/806172/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Heinrich Schuchardt <xypron.glpk@gmx.de>",
        "To": "Alexander Graf <agraf@suse.de>",
        "Date": "Sun, 27 Aug 2017 00:51:05 +0200",
        "Message-Id": "<20170826225110.7381-5-xypron.glpk@gmx.de>",
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        "Cc": "Heinrich Schuchardt <xypron.glpk@gmx.de>, u-boot@lists.denx.de",
        "Subject": "[U-Boot] [PATCH 04/23] efi_loader: rework efi_locate_handle",
        "X-BeenThere": "u-boot@lists.denx.de",
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        "List-Id": "U-Boot discussion <u-boot.lists.denx.de>",
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        "Errors-To": "u-boot-bounces@lists.denx.de",
        "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>"
    },
    "content": "Check the parameters in efi_locate_handle.\n\nUse list_for_each_entry instead of list_for_each.\n\nSigned-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>\n---\n lib/efi_loader/efi_boottime.c | 42 +++++++++++++++++++++++++++++++-----------\n 1 file changed, 31 insertions(+), 11 deletions(-)",
    "diff": "diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c\nindex b5538e0769..570a5ea186 100644\n--- a/lib/efi_loader/efi_boottime.c\n+++ b/lib/efi_loader/efi_boottime.c\n@@ -599,6 +599,7 @@ static int efi_search(enum efi_locate_search_type search_type,\n \tcase all_handles:\n \t\treturn 0;\n \tcase by_register_notify:\n+\t\t/* RegisterProtocolNotify is not implemented yet */\n \t\treturn -1;\n \tcase by_protocol:\n \t\tfor (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) {\n@@ -617,16 +618,38 @@ static efi_status_t efi_locate_handle(\n \t\t\tefi_guid_t *protocol, void *search_key,\n \t\t\tunsigned long *buffer_size, efi_handle_t *buffer)\n {\n-\tstruct list_head *lhandle;\n+\tstruct efi_object *efiobj;\n \tunsigned long size = 0;\n \n+\t/* Check parameters */\n+\tswitch (search_type) {\n+\tcase all_handles:\n+\t\tbreak;\n+\tcase by_register_notify:\n+\t\tif (!search_key)\n+\t\t\treturn EFI_INVALID_PARAMETER;\n+\t\t/* RegisterProtocolNotify is not implemented yet */\n+\t\treturn EFI_UNSUPPORTED;\n+\tcase by_protocol:\n+\t\tif (!protocol)\n+\t\t\treturn EFI_INVALID_PARAMETER;\n+\t\tbreak;\n+\tdefault:\n+\t\treturn EFI_INVALID_PARAMETER;\n+\t}\n+\n+\t/*\n+\t * efi_locate_handle_buffer uses this function for\n+\t * the calculation of the necessary buffer size.\n+\t * So do not require a buffer for buffersize == 0.\n+\t */\n+\tif (!buffer_size || (*buffer_size && !buffer))\n+\t\treturn EFI_INVALID_PARAMETER;\n+\n \t/* Count how much space we need */\n-\tlist_for_each(lhandle, &efi_obj_list) {\n-\t\tstruct efi_object *efiobj;\n-\t\tefiobj = list_entry(lhandle, struct efi_object, link);\n-\t\tif (!efi_search(search_type, protocol, search_key, efiobj)) {\n+\tlist_for_each_entry(efiobj, &efi_obj_list, link) {\n+\t\tif (!efi_search(search_type, protocol, search_key, efiobj))\n \t\t\tsize += sizeof(void*);\n-\t\t}\n \t}\n \n \tif (*buffer_size < size) {\n@@ -639,12 +662,9 @@ static efi_status_t efi_locate_handle(\n \t\treturn EFI_NOT_FOUND;\n \n \t/* Then fill the array */\n-\tlist_for_each(lhandle, &efi_obj_list) {\n-\t\tstruct efi_object *efiobj;\n-\t\tefiobj = list_entry(lhandle, struct efi_object, link);\n-\t\tif (!efi_search(search_type, protocol, search_key, efiobj)) {\n+\tlist_for_each_entry(efiobj, &efi_obj_list, link) {\n+\t\tif (!efi_search(search_type, protocol, search_key, efiobj))\n \t\t\t*(buffer++) = efiobj->handle;\n-\t\t}\n \t}\n \n \treturn EFI_SUCCESS;\n",
    "prefixes": [
        "U-Boot",
        "04/23"
    ]
}