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{
    "id": 2229520,
    "url": "http://patchwork.ozlabs.org/api/1.1/patches/2229520/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260428113439.9783-1-m32285159@gmail.com/",
    "project": {
        "id": 42,
        "url": "http://patchwork.ozlabs.org/api/1.1/projects/42/?format=api",
        "name": "Linux GPIO development",
        "link_name": "linux-gpio",
        "list_id": "linux-gpio.vger.kernel.org",
        "list_email": "linux-gpio@vger.kernel.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20260428113439.9783-1-m32285159@gmail.com>",
    "date": "2026-04-28T11:34:39",
    "name": "[v3] gpio: sim: Replace sprintf() with sysfs_emit()",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "f0b63fbd7da95f4c6190f406e240c1c48543936d",
    "submitter": {
        "id": 93193,
        "url": "http://patchwork.ozlabs.org/api/1.1/people/93193/?format=api",
        "name": "Maxwell Doose",
        "email": "m32285159@gmail.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260428113439.9783-1-m32285159@gmail.com/mbox/",
    "series": [
        {
            "id": 501831,
            "url": "http://patchwork.ozlabs.org/api/1.1/series/501831/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/list/?series=501831",
            "date": "2026-04-28T11:34:39",
            "name": "[v3] gpio: sim: Replace sprintf() with sysfs_emit()",
            "version": 3,
            "mbox": "http://patchwork.ozlabs.org/series/501831/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2229520/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2229520/checks/",
    "tags": {},
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        "From": "Maxwell Doose <m32285159@gmail.com>",
        "To": "linusw@kernel.org,\n\tbrgl@kernel.org",
        "Cc": "linux-gpio@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org",
        "Subject": "[PATCH v3] gpio: sim: Replace sprintf() with sysfs_emit()",
        "Date": "Tue, 28 Apr 2026 06:34:39 -0500",
        "Message-ID": "<20260428113439.9783-1-m32285159@gmail.com>",
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    },
    "content": "Replace sprintf() function calls with sysfs_emit() in the configfs show\ncallbacks. This will help harden the driver and will bring the driver\nup-to-date with more modern functions.\n\nSuggested-by: Bartosz Golaszewski <brgl@kernel.org>\nSigned-off-by: Maxwell Doose <m32285159@gmail.com>\n---\n v2:\n - Rebase commit onto tag 7.1-rc1.\n - No functional changes from v1.\n v3:\n - Add missing sysfs_emit(), caught by Bartosz Golaszewski.\n\n drivers/gpio/gpio-sim.c | 24 ++++++++++++------------\n 1 file changed, 12 insertions(+), 12 deletions(-)",
    "diff": "diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c\nindex e19701c2ed67..b1f31861f40d 100644\n--- a/drivers/gpio/gpio-sim.c\n+++ b/drivers/gpio/gpio-sim.c\n@@ -695,9 +695,9 @@ static ssize_t gpio_sim_device_config_dev_name_show(struct config_item *item,\n \n \tpdev = dev->pdev;\n \tif (pdev)\n-\t\treturn sprintf(page, \"%s\\n\", dev_name(&pdev->dev));\n+\t\treturn sysfs_emit(page, \"%s\\n\", dev_name(&pdev->dev));\n \n-\treturn sprintf(page, \"gpio-sim.%d\\n\", dev->id);\n+\treturn sysfs_emit(page, \"gpio-sim.%d\\n\", dev->id);\n }\n \n CONFIGFS_ATTR_RO(gpio_sim_device_config_, dev_name);\n@@ -711,7 +711,7 @@ gpio_sim_device_config_live_show(struct config_item *item, char *page)\n \tscoped_guard(mutex, &dev->lock)\n \t\tlive = gpio_sim_device_is_live(dev);\n \n-\treturn sprintf(page, \"%c\\n\", live ? '1' : '0');\n+\treturn sysfs_emit(page, \"%c\\n\", live ? '1' : '0');\n }\n \n static unsigned int gpio_sim_get_line_names_size(struct gpio_sim_bank *bank)\n@@ -1056,7 +1056,7 @@ static int gpio_sim_emit_chip_name(struct device *dev, void *data)\n \t\treturn 0;\n \n \tif (device_match_fwnode(dev, ctx->swnode))\n-\t\treturn sprintf(ctx->page, \"%s\\n\", dev_name(dev));\n+\t\treturn sysfs_emit(ctx->page, \"%s\\n\", dev_name(dev));\n \n \treturn 0;\n }\n@@ -1074,7 +1074,7 @@ static ssize_t gpio_sim_bank_config_chip_name_show(struct config_item *item,\n \t\treturn device_for_each_child(&dev->pdev->dev, &ctx,\n \t\t\t\t\t     gpio_sim_emit_chip_name);\n \n-\treturn sprintf(page, \"none\\n\");\n+\treturn sysfs_emit(page, \"none\\n\");\n }\n \n CONFIGFS_ATTR_RO(gpio_sim_bank_config_, chip_name);\n@@ -1087,7 +1087,7 @@ gpio_sim_bank_config_label_show(struct config_item *item, char *page)\n \n \tguard(mutex)(&dev->lock);\n \n-\treturn sprintf(page, \"%s\\n\", bank->label ?: \"\");\n+\treturn sysfs_emit(page, \"%s\\n\", bank->label ?: \"\");\n }\n \n static ssize_t gpio_sim_bank_config_label_store(struct config_item *item,\n@@ -1122,7 +1122,7 @@ gpio_sim_bank_config_num_lines_show(struct config_item *item, char *page)\n \n \tguard(mutex)(&dev->lock);\n \n-\treturn sprintf(page, \"%u\\n\", bank->num_lines);\n+\treturn sysfs_emit(page, \"%u\\n\", bank->num_lines);\n }\n \n static ssize_t\n@@ -1168,7 +1168,7 @@ gpio_sim_line_config_name_show(struct config_item *item, char *page)\n \n \tguard(mutex)(&dev->lock);\n \n-\treturn sprintf(page, \"%s\\n\", line->name ?: \"\");\n+\treturn sysfs_emit(page, \"%s\\n\", line->name ?: \"\");\n }\n \n static ssize_t gpio_sim_line_config_name_store(struct config_item *item,\n@@ -1203,7 +1203,7 @@ gpio_sim_line_config_valid_show(struct config_item *item, char *page)\n \n \tguard(mutex)(&dev->lock);\n \n-\treturn sprintf(page, \"%c\\n\", line->valid ? '1' : '0');\n+\treturn sysfs_emit(page, \"%c\\n\", line->valid ? '1' : '0');\n }\n \n static ssize_t gpio_sim_line_config_valid_store(struct config_item *item,\n@@ -1241,7 +1241,7 @@ static ssize_t gpio_sim_hog_config_name_show(struct config_item *item,\n \n \tguard(mutex)(&dev->lock);\n \n-\treturn sprintf(page, \"%s\\n\", hog->name ?: \"\");\n+\treturn sysfs_emit(page, \"%s\\n\", hog->name ?: \"\");\n }\n \n static ssize_t gpio_sim_hog_config_name_store(struct config_item *item,\n@@ -1295,7 +1295,7 @@ static ssize_t gpio_sim_hog_config_direction_show(struct config_item *item,\n \t\treturn -EINVAL;\n \t}\n \n-\treturn sprintf(page, \"%s\\n\", repr);\n+\treturn sysfs_emit(page, \"%s\\n\", repr);\n }\n \n static ssize_t\n@@ -1335,7 +1335,7 @@ static ssize_t gpio_sim_hog_config_active_low_show(struct config_item *item,\n \n \tguard(mutex)(&dev->lock);\n \n-\treturn sprintf(page, \"%c\\n\", hog->active_low ? '1' : '0');\n+\treturn sysfs_emit(page, \"%c\\n\", hog->active_low ? '1' : '0');\n }\n \n static ssize_t\n",
    "prefixes": [
        "v3"
    ]
}