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Groups > linux.kernel > #1473095
| From | Daniel Walter <dwalter@sigma-star.at> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 43/46] mtd: nandsim: Wire up NANDSIM_IOC_NEW_INSTANCE |
| Date | 2016-08-31 09:40 +0200 |
| Message-ID | <sc8hP-7T2-5@gated-at.bofh.it> (permalink) |
| References | <sc889-7Pb-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Richard Weinberger <richard@nod.at>
Since we have now all what we need we can arm NANDSIM_IOC_NEW_INSTANCE.
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/nand/nandsim.c | 31 ++++++++++++++++++++++++++++---
1 file changed, 28 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 34b0c24..4145ab6 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -2900,10 +2900,35 @@ out:
static long ns_ctrl_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
- if (!capable(CAP_SYS_RESOURCE))
- return -EPERM;
+ int ret;
+ void __user *argp = (void __user *)arg;
+
+ if (!capable(CAP_SYS_RESOURCE)) {
+ ret = -EPERM;
+ goto out;
+ }
+
+ switch (cmd) {
+ case NANDSIM_IOC_NEW_INSTANCE:
+ {
+ struct ns_new_instance_req req;
+
+ ret = copy_from_user(&req, argp, sizeof(struct ns_new_instance_req));
+ if (ret) {
+ ret = -EFAULT;
+ goto out;
+ }
- return -ENOTTY;
+ ret = ns_ctrl_new_instance(&req, argp + sizeof(req));
+ break;
+ }
+
+ default:
+ ret = -ENOTTY;
+ }
+
+out:
+ return ret;
}
#ifdef CONFIG_COMPAT
--
2.8.3
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[PATCH 00/46] Nandsim facelift (part I of II) Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:30 +0200 [PATCH 10/46] mtd: nandsim: Add helper functions for pointer magic Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:30 +0200 [PATCH 02/46] mtd: nand: TODO Propagate mtd_device_unregister() return value in tear down Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:30 +0200 [PATCH 07/46] mtd: nandsim: Begin with removal of global state Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:30 +0200 [PATCH 03/46] mtd: Don't unconditionally unregister reboot notifier Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:30 +0200 [PATCH 45/46] mtd: nandsim: Always answer all 8 bytes from NAND_CMD_READID Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 06/46] mtd: nandsim: Add basic control file support Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 43/46] mtd: nandsim: Wire up NANDSIM_IOC_NEW_INSTANCE Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 15/46] mtd: nandsim: Introduce backend operations Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 09/46] mtd: nandsim: Don't directly use module parameters Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 01/46] mtdpart: Propagate _get/put_device() Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 27/46] mtd: nandsim: Add no_oob mode Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 14/46] mtd: nandsim: Add simulator id to MTD parition name Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 44/46] mtd: nandsim: Wire up NANDSIM_IOC_DESTROY_INSTANCE Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 11/46] mtd: nandsim: Factor out nandsim parameters Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 33/46] mtd: nandsim: Relax page size restrictions Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 38/46] mtd: nandsim: Expose partition creation logic to user space Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 24/46] mtd: nandsim: Wire up NANDSIM_MODE_CACHEFILE ioctl mode Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 39/46] mtd: nandsim: Rework init error paths Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 18/46] mtd: nandsim: Add basic support for a file backend Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 08/46] mtd: nandsim: Kill global nsmtd Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 40/46] mtd: nandsim: Expose BBT, delays, etc.. to userspace Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 17/46] mtd: nandsim: Allow external backends Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 46/46] mtd/nandsim: Add ioctl for info Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 36/46] mtd: nandsim: Cleanup constants Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 42/46] mtd: nandsim: Don't printk on ENOMEM Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 19/46] mtd: nandsim: UAPI v1 Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 20/46] mtd: nandsim: Implement preliminary constructor function Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 12/46] mtd: nandsim: Make debugfs logic multi instance capable Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 04/46] mtd: Don't unconditionally execute remove notifiers Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 22/46] mtd: nandsim: Cleanup destroy handlers Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 25/46] mtd: nandsim: Print backend name Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 28/46] mtd: nandsim: Refine exports Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 31/46] mtd: nandsim: Remove NS_RAW_OFFSET_OOB Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 21/46] mtd: nandsim: Implement preliminary destructor function Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 26/46] mtd: nandsim: use the existing output macros Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 37/46] mtd: nandsim: Turn parts[] into a integer Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 41/46] mtd: nandsim: Expose support for weakpages/blocks to userspace Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 23/46] mtd: nandsim: Unify file backend init logic Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 35/46] mtd: nandsim: Make NANDSIM_MAX_DEVICES part of uapi Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 32/46] mtd: nandsim: Remove NS_IS_INITIALIZED Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 29/46] um: Add nandsim backend driver Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 34/46] mtd: nandsim: Support bitflip and read error emulation in file backend Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 05/46] mtd: Don't print a scary message when trying to remove a busy MTD Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200 [PATCH 13/46] mtd: nandsim: Add final logic for multiple instances Daniel Walter <dwalter@sigma-star.at> - 2016-08-31 09:40 +0200
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