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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: Eqh9ZvvE4VMq3keWG-KKSFxzqw5Rvsmd X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTEwMDExNiBTYWx0ZWRfXzAnEIJwDNgzF 6bOHSiM+9cXaR+YJNajrwFDHXuoKEp9n8r/W1DGJ5889Mto6FRBxdICyB5zbC4psTDBF0DR+TGp z/rxxs4krQc3MKLAXzoKuvDNbTvoyQCFN9Xkb3uHQbxtYtWi2tJeM/yQk5heQyEHr2uH5Ehwkle 8pQEDguFzOS3v4iaosNtfW795Fzcq7z0xerd87KRGPhnEL/CO8qIfz17oZzhutNyj1dl9FuRPiW Xs3uwSDtGayxqc2Vssa9J7mAdIMWK9ZQddjhvYDfL62gUuin5M1Fdhp2o78qqXW7VajCZ8owrkZ uJYQ1kgFCVDNR3Qiq/3u5GPe9vkisYfbjcINLQHkSZrZOXcSlU+nxOL9/EKyeiR1fwzZ1qoCCcZ pDbYok6OfsHNgAcOkPIR4V0Ww5dFkw== X-Authority-Analysis: v=2.4 cv=GbEaXAXL c=1 sm=1 tr=0 ts=6911e68e cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=otca4u8OHQj9NKxAAEcA:9 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-ORIG-GUID: Eqh9ZvvE4VMq3keWG-KKSFxzqw5Rvsmd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-10_05,2025-11-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 priorityscore=1501 phishscore=0 bulkscore=0 spamscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511100116 On 11/10/2025 6:31 PM, Mukesh Ojha wrote: > On Sun, Nov 09, 2025 at 08:07:14PM +0530, Shivendra Pratap wrote: >> Devres APIs are intended for use in drivers, and they should be >> avoided in shared subsystem code which is being used by multiple >> drivers. Avoid using devres based allocations in the reboot-mode >> subsystem and manually free the resources. >> >> Replace devm_kzalloc with kzalloc and handle memory cleanup >> explicitly. >> >> Fixes: 4fcd504edbf7 ("power: reset: add reboot mode driver") >> Signed-off-by: Shivendra Pratap >> --- >> drivers/power/reset/reboot-mode.c | 30 ++++++++++++++++++++---------- >> 1 file changed, 20 insertions(+), 10 deletions(-) >> >> diff --git a/drivers/power/reset/reboot-mode.c b/drivers/power/reset/reboot-mode.c >> index fba53f638da04655e756b5f8b7d2d666d1379535..ac4223794083f36960b2bd37a601b7e1f1872de5 100644 >> --- a/drivers/power/reset/reboot-mode.c >> +++ b/drivers/power/reset/reboot-mode.c >> @@ -3,6 +3,8 @@ >> * Copyright (c) 2016, Fuzhou Rockchip Electronics Co., Ltd >> */ >> >> +#define pr_fmt(fmt) "reboot-mode: " fmt >> + >> #include >> #include >> #include >> @@ -71,6 +73,7 @@ static int reboot_mode_notify(struct notifier_block *this, >> int reboot_mode_register(struct reboot_mode_driver *reboot) >> { >> struct mode_info *info; >> + struct mode_info *next; >> struct property *prop; >> struct device_node *np = reboot->dev->of_node; >> size_t len = strlen(PREFIX); >> @@ -82,29 +85,27 @@ int reboot_mode_register(struct reboot_mode_driver *reboot) >> if (strncmp(prop->name, PREFIX, len)) >> continue; >> >> - info = devm_kzalloc(reboot->dev, sizeof(*info), GFP_KERNEL); >> + info = kzalloc(sizeof(*info), GFP_KERNEL); >> if (!info) { >> ret = -ENOMEM; >> goto error; >> } >> >> if (of_property_read_u32(np, prop->name, &info->magic)) { >> - dev_err(reboot->dev, "reboot mode %s without magic number\n", >> - info->mode); >> - devm_kfree(reboot->dev, info); >> + pr_err("reboot mode %s without magic number\n", info->mode); >> + kfree(info); > > This as well could be avoided if we move the above memory allocation > after of_property_read_u32() ok. Will re-order the code to avoid the kfree(info) here. > >> continue; >> } >> >> info->mode = kstrdup_const(prop->name + len, GFP_KERNEL); >> if (!info->mode) { >> ret = -ENOMEM; >> - goto error; >> + goto err_info; >> } else if (info->mode[0] == '\0') { >> kfree_const(info->mode); >> ret = -EINVAL; >> - dev_err(reboot->dev, "invalid mode name(%s): too short!\n", >> - prop->name); >> - goto error; >> + pr_err("invalid mode name(%s): too short!\n", prop->name); >> + goto err_info; >> } >> >> list_add_tail(&info->list, &reboot->head); >> @@ -115,9 +116,14 @@ int reboot_mode_register(struct reboot_mode_driver *reboot) >> >> return 0; >> >> +err_info: > > free_info ? Ack. thanks, Shivendra