FAILED: patch "[PATCH] scsi: ufs: qcom: Only free platform MSIs when ESI is enabled" failed to apply to 6.6-stable tree
Subsystems (4)
[email protected]
maintainerThe patch below does not apply to the 6.6-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y
git checkout FETCH_HEAD
git cherry-pick -x 64506b3d23a337e98a74b18dcb10c8619365f2bd
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<[email protected]>' --in-reply-to '2024121036-surround-docile-0043@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 64506b3d23a337e98a74b18dcb10c8619365f2bd Mon Sep 17 00:00:00 2001
From: Manivannan Sadhasivam <[email protected]>
Date: Mon, 11 Nov 2024 23:18:31 +0530
Subject: [PATCH] scsi: ufs: qcom: Only free platform MSIs when ESI is enabled
Otherwise, it will result in a NULL pointer dereference as below:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 Call trace: mutex_lock+0xc/0x54 platform_device_msi_free_irqs_all+0x14/0x20 ufs_qcom_remove+0x34/0x48 [ufs_qcom] platform_remove+0x28/0x44 device_remove+0x4c/0x80 device_release_driver_internal+0xd8/0x178 driver_detach+0x50/0x9c bus_remove_driver+0x6c/0xbc driver_unregister+0x30/0x60 platform_driver_unregister+0x14/0x20 ufs_qcom_pltform_exit+0x18/0xb94 [ufs_qcom] __arm64_sys_delete_module+0x180/0x260 invoke_syscall+0x44/0x100 el0_svc_common.constprop.0+0xc0/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x34/0xdc el0t_64_sync_handler+0xc0/0xc4 el0t_64_sync+0x190/0x194
drivers/ufs/host/ufs-qcom.c +3 -1
@@ -1861,10 +1861,12 @@ static int ufs_qcom_probe(struct platform_device *pdev)static void ufs_qcom_remove (struct platform_device *pdev) {struct ufs_hba *hba =platform_get_drvdata (pdev); +struct ufs_qcom_host *host =ufshcd_get_variant (hba);pm_runtime_get_sync (&(pdev)->dev);ufshcd_remove (hba); -platform_device_msi_free_irqs_all (hba->dev); +if (host->esi_enabled) +platform_device_msi_free_irqs_all (hba->dev); }static const struct of_device_id ufs_qcom_of_match[]__maybe_unused = {