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GET /api/patches/950033/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 950033,
    "url": "http://patchwork.ozlabs.org/api/patches/950033/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20180727080453.3198-1-baijiaju1990@gmail.com/",
    "project": {
        "id": 46,
        "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api",
        "name": "Intel Wired Ethernet development",
        "link_name": "intel-wired-lan",
        "list_id": "intel-wired-lan.osuosl.org",
        "list_email": "intel-wired-lan@osuosl.org",
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        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
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    "msgid": "<20180727080453.3198-1-baijiaju1990@gmail.com>",
    "list_archive_url": null,
    "date": "2018-07-27T08:04:53",
    "name": "[1/2] net: intel: igb: Replace GFP_ATOMIC with GFP_KERNEL in igb_sw_init()",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "2c639d64ac355c110afcb64245e95185fb771b9b",
    "submitter": {
        "id": 73020,
        "url": "http://patchwork.ozlabs.org/api/people/73020/?format=api",
        "name": "Jia-Ju Bai",
        "email": "baijiaju1990@gmail.com"
    },
    "delegate": {
        "id": 68,
        "url": "http://patchwork.ozlabs.org/api/users/68/?format=api",
        "username": "jtkirshe",
        "first_name": "Jeff",
        "last_name": "Kirsher",
        "email": "jeffrey.t.kirsher@intel.com"
    },
    "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20180727080453.3198-1-baijiaju1990@gmail.com/mbox/",
    "series": [
        {
            "id": 57903,
            "url": "http://patchwork.ozlabs.org/api/series/57903/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=57903",
            "date": "2018-07-27T08:04:53",
            "name": "[1/2] net: intel: igb: Replace GFP_ATOMIC with GFP_KERNEL in igb_sw_init()",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/57903/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/950033/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/950033/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Jia-Ju Bai <baijiaju1990@gmail.com>",
        "To": "jeffrey.t.kirsher@intel.com",
        "Date": "Fri, 27 Jul 2018 16:04:53 +0800",
        "Message-Id": "<20180727080453.3198-1-baijiaju1990@gmail.com>",
        "X-Mailer": "git-send-email 2.17.0",
        "Subject": "[Intel-wired-lan] [PATCH 1/2] net: intel: igb: Replace GFP_ATOMIC\n\twith GFP_KERNEL in igb_sw_init()",
        "X-BeenThere": "intel-wired-lan@osuosl.org",
        "X-Mailman-Version": "2.1.24",
        "Precedence": "list",
        "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.osuosl.org>",
        "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>",
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        "Cc": "netdev@vger.kernel.org, Jia-Ju Bai <baijiaju1990@gmail.com>,\n\tintel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Errors-To": "intel-wired-lan-bounces@osuosl.org",
        "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>"
    },
    "content": "igb_sw_init() is never called in atomic context.\nIt calls kzalloc() and kcalloc() with GFP_ATOMIC, which is not necessary.\nGFP_ATOMIC can be replaced with GFP_KERNEL.\n\nThis is found by a static analysis tool named DCNS written by myself.\n\nSigned-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>\n---\n drivers/net/ethernet/intel/igb/igb_main.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c\nindex cce7ada89255..5332a1b608e6 100644\n--- a/drivers/net/ethernet/intel/igb/igb_main.c\n+++ b/drivers/net/ethernet/intel/igb/igb_main.c\n@@ -3534,7 +3534,7 @@ static int igb_sw_init(struct igb_adapter *adapter)\n \tadapter->flags |= IGB_FLAG_HAS_MSIX;\n \n \tadapter->mac_table = kzalloc(sizeof(struct igb_mac_addr) *\n-\t\t\t\t     hw->mac.rar_entry_count, GFP_ATOMIC);\n+\t\t\t\t     hw->mac.rar_entry_count, GFP_KERNEL);\n \tif (!adapter->mac_table)\n \t\treturn -ENOMEM;\n \n@@ -3544,7 +3544,7 @@ static int igb_sw_init(struct igb_adapter *adapter)\n \n \t/* Setup and initialize a copy of the hw vlan table array */\n \tadapter->shadow_vfta = kcalloc(E1000_VLAN_FILTER_TBL_SIZE, sizeof(u32),\n-\t\t\t\t       GFP_ATOMIC);\n+\t\t\t\t       GFP_KERNEL);\n \tif (!adapter->shadow_vfta)\n \t\treturn -ENOMEM;\n \n",
    "prefixes": [
        "1/2"
    ]
}