Displaying 20 results from an estimated 64 matches for "memdup_us".
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memdup_user
2016 Aug 18
1
[PATCH] virtio-gpu: Use memdup_user() rather than duplicating its implementation
From: Markus Elfring <elfring at users.sourceforge.net>
Date: Thu, 18 Aug 2016 22:35:14 +0200
Reuse existing functionality from memdup_user() instead of keeping
duplicate source code.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring at users.sourceforge.net>
---
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --gi...
2016 Aug 18
1
[PATCH] virtio-gpu: Use memdup_user() rather than duplicating its implementation
From: Markus Elfring <elfring at users.sourceforge.net>
Date: Thu, 18 Aug 2016 22:35:14 +0200
Reuse existing functionality from memdup_user() instead of keeping
duplicate source code.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring at users.sourceforge.net>
---
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --gi...
2013 Oct 25
8
[PATCH] btrfs: add framework to read fs info from btrfs-control
...s_type = {
};
MODULE_ALIAS_FS("btrfs");
+static int btrfs_ioc_get_fslist(void __user *arg)
+{
+ int ret = 0;
+ u64 sz_fslist_arg;
+ u64 sz_fslist;
+ struct btrfs_ioctl_fslist_args *fslist_arg;
+ struct btrfs_ioctl_fslist *fslist;
+
+ sz_fslist_arg = sizeof(*fslist_arg);
+ fslist_arg = memdup_user(arg, sz_fslist_arg);
+
+ sz_fslist = sizeof(*fslist) * fslist_arg->count;
+ kfree(fslist_arg);
+ fslist_arg = memdup_user(arg, sz_fslist_arg + sz_fslist);
+ fslist = (struct btrfs_ioctl_fslist *) (fslist_arg + sz_fslist_arg);
+
+ ret = btrfs_get_fslist(fslist_arg, fslist);
+
+ fslist->self_...
2019 Jun 18
2
[PATCH v2 07/12] drm/virtio: rework virtio_gpu_execbuffer_ioctl fencing
...;
+ buflist[i] = gobj;
}
kvfree(bo_handles);
bo_handles = NULL;
}
- ret = virtio_gpu_object_list_validate(&ticket, &validate_list);
+ ret = drm_gem_lock_reservations(buflist, exbuf->num_bo_handles, &ticket);
if (ret)
- goto out_free;
+ goto out_unused_fd;
buf = memdup_user(u64_to_user_ptr(exbuf->command), exbuf->size);
if (IS_ERR(buf)) {
@@ -222,21 +216,25 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
vfpriv->ctx_id, out_fence);
- ttm_eu_fence_buffer_objects(&...
2019 Jun 18
2
[PATCH v2 07/12] drm/virtio: rework virtio_gpu_execbuffer_ioctl fencing
...;
+ buflist[i] = gobj;
}
kvfree(bo_handles);
bo_handles = NULL;
}
- ret = virtio_gpu_object_list_validate(&ticket, &validate_list);
+ ret = drm_gem_lock_reservations(buflist, exbuf->num_bo_handles, &ticket);
if (ret)
- goto out_free;
+ goto out_unused_fd;
buf = memdup_user(u64_to_user_ptr(exbuf->command), exbuf->size);
if (IS_ERR(buf)) {
@@ -222,21 +216,25 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
vfpriv->ctx_id, out_fence);
- ttm_eu_fence_buffer_objects(&...
2020 Aug 11
3
[PATCH] drm/nouveau/gem: Use vmemdup_user() rather than duplicating its implementation
From: Markus Elfring <elfring at users.sourceforge.net>
Date: Tue, 11 Aug 2020 19:25:22 +0200
Reuse existing functionality from vmemdup_user() instead of keeping
duplicate source code.
Generated by: scripts/coccinelle/api/memdup_user.cocci
Signed-off-by: Markus Elfring <elfring at users.sourceforge.net>
---
drivers/gpu/drm/nouveau/nouveau_gem.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/d...
2013 May 20
2
[PATCH] Btrfs: fix estale with btrfs send
...trans) != -ENOENT) {
+ ret = PTR_ERR(trans);
+ goto out;
+ }
+ /* ENOENT means theres no transaction */
+ } else {
+ ret = btrfs_commit_transaction(trans, send_root);
+ if (ret)
+ goto out;
+ }
+ } else {
+ up_read(&send_root->fs_info->extent_commit_sem);
+ }
+
arg = memdup_user(arg_, sizeof(*arg));
if (IS_ERR(arg)) {
ret = PTR_ERR(arg);
--
1.7.7.6
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2014 Oct 30
3
kernel BUG at drivers/block/virtio_blk.c:172
...18] [<ffffffff811eee89>] mount_fs+0x39/0x1b0
[ 2.807018] [<ffffffff81194505>] ? __alloc_percpu+0x15/0x20
[ 2.807018] [<ffffffff8120ab2b>] vfs_kern_mount+0x6b/0x110
[ 2.807018] [<ffffffff8120d91c>] do_mount+0x22c/0xb30
[ 2.807018] [<ffffffff8118f2b6>] ? memdup_user+0x46/0x80
[ 2.807018] [<ffffffff8120e562>] SyS_mount+0xa2/0x110
[ 2.807018] [<ffffffff81671269>] system_call_fastpath+0x12/0x17
[ 2.807018] Code: fe ff ff 90 0f b7 86 f4 00 00 00 c7 86 78 01 00 00 02 00 00 00 48 c7 86 80 01 00 00 00 00 00 00 89 86 7c 01 00 00 e9 12 fe ff ff...
2014 Oct 30
3
kernel BUG at drivers/block/virtio_blk.c:172
...18] [<ffffffff811eee89>] mount_fs+0x39/0x1b0
[ 2.807018] [<ffffffff81194505>] ? __alloc_percpu+0x15/0x20
[ 2.807018] [<ffffffff8120ab2b>] vfs_kern_mount+0x6b/0x110
[ 2.807018] [<ffffffff8120d91c>] do_mount+0x22c/0xb30
[ 2.807018] [<ffffffff8118f2b6>] ? memdup_user+0x46/0x80
[ 2.807018] [<ffffffff8120e562>] SyS_mount+0xa2/0x110
[ 2.807018] [<ffffffff81671269>] system_call_fastpath+0x12/0x17
[ 2.807018] Code: fe ff ff 90 0f b7 86 f4 00 00 00 c7 86 78 01 00 00 02 00 00 00 48 c7 86 80 01 00 00 00 00 00 00 89 86 7c 01 00 00 e9 12 fe ff ff...
2014 Nov 07
2
kernel BUG at drivers/block/virtio_blk.c:172!
...[<ffffffff81202c15>] ? __alloc_percpu+0x15/0x20
[ 64.670008] [<ffffffff812908f8>] vfs_kern_mount+0x68/0x160
[ 64.670008] [<ffffffff81293d6c>] do_mount+0x22c/0xc20
[ 64.670008] [<ffffffff8120d92e>] ? might_fault+0x5e/0xc0
[ 64.670008] [<ffffffff811fcf1b>] ? memdup_user+0x4b/0x90
[ 64.670008] [<ffffffff81294a8e>] SyS_mount+0x9e/0x100
[ 64.670008] [<ffffffff8185e169>] system_call_fastpath+0x12/0x17
[ 64.670008] Code: 00 00 c7 86 78 01 00 00 02 00 00 00 48 c7 86 80 01 00 00 00 00 00 00 89 86 7c 01 00 00 e9 02 fe ff ff 66 0f 1f 84 00 00 00 00 00...
2014 Nov 07
2
kernel BUG at drivers/block/virtio_blk.c:172!
...[<ffffffff81202c15>] ? __alloc_percpu+0x15/0x20
[ 64.670008] [<ffffffff812908f8>] vfs_kern_mount+0x68/0x160
[ 64.670008] [<ffffffff81293d6c>] do_mount+0x22c/0xc20
[ 64.670008] [<ffffffff8120d92e>] ? might_fault+0x5e/0xc0
[ 64.670008] [<ffffffff811fcf1b>] ? memdup_user+0x4b/0x90
[ 64.670008] [<ffffffff81294a8e>] SyS_mount+0x9e/0x100
[ 64.670008] [<ffffffff8185e169>] system_call_fastpath+0x12/0x17
[ 64.670008] Code: 00 00 c7 86 78 01 00 00 02 00 00 00 48 c7 86 80 01 00 00 00 00 00 00 89 86 7c 01 00 00 e9 02 fe ff ff 66 0f 1f 84 00 00 00 00 00...
2019 Jun 28
2
[PATCH v5 08/12] drm/virtio: rework virtio_gpu_execbuffer_ioctl fencing
...andles);
bo_handles = NULL;
}
- ret = virtio_gpu_object_list_validate(&ticket, &validate_list);
- if (ret)
- goto out_free;
+ if (buflist) {
+ ret = drm_gem_lock_reservations(buflist->objs, buflist->nents,
+ &ticket);
+ if (ret)
+ goto out_unused_fd;
+ }
buf = memdup_user(u64_to_user_ptr(exbuf->command), exbuf->size);
if (IS_ERR(buf)) {
@@ -219,25 +208,28 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
fd_install(out_fence_fd, sync_file->file);
}
+ if (buflist)
+ for (i = 0; i < exbuf->num_bo_handles; i++)
+...
2019 Jun 28
2
[PATCH v5 08/12] drm/virtio: rework virtio_gpu_execbuffer_ioctl fencing
...andles);
bo_handles = NULL;
}
- ret = virtio_gpu_object_list_validate(&ticket, &validate_list);
- if (ret)
- goto out_free;
+ if (buflist) {
+ ret = drm_gem_lock_reservations(buflist->objs, buflist->nents,
+ &ticket);
+ if (ret)
+ goto out_unused_fd;
+ }
buf = memdup_user(u64_to_user_ptr(exbuf->command), exbuf->size);
if (IS_ERR(buf)) {
@@ -219,25 +208,28 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
fd_install(out_fence_fd, sync_file->file);
}
+ if (buflist)
+ for (i = 0; i < exbuf->num_bo_handles; i++)
+...
2014 Oct 13
2
Re: passthrough of PCI-device
...+0x10a/0x1f0 [vfio_pci]
Oct 7 11:32:53 artemis2 kernel: [<ffffffffa08670e8>] vfio_pci_set_intx_trigger+0xc8/0x1b0 [vfio_pci]
Oct 7 11:32:53 artemis2 kernel: [<ffffffffa086799b>] vfio_pci_set_irqs_ioctl+0x7b/0x100 [vfio_pci]
Oct 7 11:32:53 artemis2 kernel: [<ffffffff8115d352>] ? memdup_user+0x42/0x70
Oct 7 11:32:53 artemis2 kernel: [<ffffffffa0865e74>] vfio_pci_ioctl+0x314/0xa00 [vfio_pci]
Oct 7 11:32:53 artemis2 kernel: [<ffffffff81194b6a>] ? kmem_cache_alloc+0x1ba/0x1d0
Oct 7 11:32:53 artemis2 kernel: [<ffffffff811b156c>] ? get_empty_filp+0x5c/0x190
Oct 7 11:...
2014 Apr 23
0
[PATCH 001/001] btrfs: Mechanism to modify the permission of a subvolume
...fs_root *root = BTRFS_I(inode)->root;
+ struct btrfs_trans_handle *trans;
+ u64 root_flags;
+ u64 flags;
+ int ret = 0;
+
+ ret = mnt_want_write_file(file);
+ if (ret)
+ goto out;
+
+ if (btrfs_ino(inode) != BTRFS_FIRST_FREE_OBJECTID) {
+ ret = -EINVAL;
+ goto out_drop_write;
+ }
+ vol_args = memdup_user(arg, sizeof(*vol_args));
+ if (IS_ERR(vol_args))
+ goto out_drop_write;
+ vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';
+ flags = vol_args->flags;
+ if (!inode_owner_or_capable(inode)) {
+ ret = -EACCES;
+ goto out_drop_write;
+ }
+
+ down_write(&root->fs_info->subvol_s...
2019 Jul 02
2
[PATCH v6 08/18] drm/virtio: rework virtio_gpu_execbuffer_ioctl fencing
...NT;
+ goto out_unused_fd;
}
kvfree(bo_handles);
bo_handles = NULL;
}
- ret = virtio_gpu_object_list_validate(&ticket, &validate_list);
- if (ret)
- goto out_free;
+ if (buflist) {
+ ret = virtio_gpu_array_lock_resv(buflist);
+ if (ret)
+ goto out_unused_fd;
+ }
buf = memdup_user(u64_to_user_ptr(exbuf->command), exbuf->size);
if (IS_ERR(buf)) {
@@ -220,24 +206,18 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
}
virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
- vfpriv->ctx_id, out_fence);
-
- ttm_eu_fence_buffer_obj...
2019 Jul 02
2
[PATCH v6 08/18] drm/virtio: rework virtio_gpu_execbuffer_ioctl fencing
...NT;
+ goto out_unused_fd;
}
kvfree(bo_handles);
bo_handles = NULL;
}
- ret = virtio_gpu_object_list_validate(&ticket, &validate_list);
- if (ret)
- goto out_free;
+ if (buflist) {
+ ret = virtio_gpu_array_lock_resv(buflist);
+ if (ret)
+ goto out_unused_fd;
+ }
buf = memdup_user(u64_to_user_ptr(exbuf->command), exbuf->size);
if (IS_ERR(buf)) {
@@ -220,24 +206,18 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
}
virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
- vfpriv->ctx_id, out_fence);
-
- ttm_eu_fence_buffer_obj...
2019 Jun 18
0
[PATCH v2 07/12] drm/virtio: rework virtio_gpu_execbuffer_ioctl fencing
...);
> bo_handles = NULL;
> }
>
> - ret = virtio_gpu_object_list_validate(&ticket, &validate_list);
> + ret = drm_gem_lock_reservations(buflist, exbuf->num_bo_handles, &ticket);
> if (ret)
> - goto out_free;
> + goto out_unused_fd;
>
> buf = memdup_user(u64_to_user_ptr(exbuf->command), exbuf->size);
> if (IS_ERR(buf)) {
> @@ -222,21 +216,25 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
> virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
> vfpriv->ctx_id, out_fence);
>
> -...
2014 Oct 30
0
kernel BUG at drivers/block/virtio_blk.c:172
...1eee89>] mount_fs+0x39/0x1b0
> [ 2.807018] [<ffffffff81194505>] ? __alloc_percpu+0x15/0x20
> [ 2.807018] [<ffffffff8120ab2b>] vfs_kern_mount+0x6b/0x110
> [ 2.807018] [<ffffffff8120d91c>] do_mount+0x22c/0xb30
> [ 2.807018] [<ffffffff8118f2b6>] ? memdup_user+0x46/0x80
> [ 2.807018] [<ffffffff8120e562>] SyS_mount+0xa2/0x110
> [ 2.807018] [<ffffffff81671269>] system_call_fastpath+0x12/0x17
> [ 2.807018] Code: fe ff ff 90 0f b7 86 f4 00 00 00 c7 86 78 01 00 00 02 00 00 00 48 c7 86 80 01 00 00 00 00 00 00 89 86 7c 01 00 00...
2014 Nov 10
0
kernel BUG at drivers/block/virtio_blk.c:172!
...15>] ? __alloc_percpu+0x15/0x20
> [ 64.670008] [<ffffffff812908f8>] vfs_kern_mount+0x68/0x160
> [ 64.670008] [<ffffffff81293d6c>] do_mount+0x22c/0xc20
> [ 64.670008] [<ffffffff8120d92e>] ? might_fault+0x5e/0xc0
> [ 64.670008] [<ffffffff811fcf1b>] ? memdup_user+0x4b/0x90
> [ 64.670008] [<ffffffff81294a8e>] SyS_mount+0x9e/0x100
> [ 64.670008] [<ffffffff8185e169>] system_call_fastpath+0x12/0x17
> [ 64.670008] Code: 00 00 c7 86 78 01 00 00 02 00 00 00 48 c7 86 80 01 00 00 00 00 00 00 89 86 7c 01 00 00 e9 02 fe ff ff 66 0f 1f 84...