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Previously, if visorhba ever failed to create its thread, it would have
subsequently attempted to do a kthread_stop() on an invalid task_struct
pointer. This was fixed via the new visor_thread_stop() function, which
validates the task_struct pointer before doing the kthread_stop().
Also, the other thread-related fields in visor_thread_info (has_stopped
and id) were not being used, so visor_thead_info was just removed.
We also now spit out an error message if thread creation fails.
Signed-off-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The `set_no_disk_inquiry_request` function now uses the correct min
macro. Also I removed an unnecessary conditional.
Get rid of u8 casts, u32 len, and u32 lun (which is actually defined
as a u64 in the scsidev->lun field from whence it originated).
Signed-off-by: Alexander Curtin <alexander.curtin@unisys.com>
Signed-off-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Boolean variables should be assigned true/false rather than 1/0.
This patch makes a correction on such a variable which has boolean
values assigned in all other places within the file.
Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove parentheses on the right hand side of assignment as they are not
needed. Semantic patch used:
@@
expression a, b, c, d;
@@
(
a = (c == d)
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a =
- (
b
- )
)
Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Since "name" is always used directly, force "%s" for the kthread
format string to avoid any potential format string leaks.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In case of error we are jumping to err_del_scsipending_ent and always
returning SCSI_MLQUEUE_DEVICE_BUSY from error path. We donot need a
variable to return a fixed error value, it can be returned directly.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The variables op, sd and zmotion were never being used.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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void pointers do not need to be cast to other pointer types.
The semantic patch used to find this:
@r@
expression x;
void* e;
type T;
identifier f;
@@
(
*((T *)e)
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((T *)x)[...]
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((T *)x)->f
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- (T *)
e
)
Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This driver create a host bus adapter device when s-Par sends a
device create message to create a storage adapter on the visorbus.
When the message is received by visorbus, the visorhba_probe function
is called and the hba device is created and managed by the visorhba
driver.
Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tim Sell
Alexander Curtin
Janani Ravichandran
Kees Cook
Sudip Mukherjee
Shraddha Barke
David Kershner