On Tue, Apr 06, 2021 at 04:39:21PM -0700, David Miller wrote:
> From: Anirudh Rayabharam
> Date: Tue, 6 Apr 2021 18:13:59 +0530
>
> > Multiple ttys try to claim the same the minor number causing a double
> > unregistration of the same device. The first unregistration succeeds
> > but the next
From: Anirudh Rayabharam
Date: Tue, 6 Apr 2021 18:13:59 +0530
> Multiple ttys try to claim the same the minor number causing a double
> unregistration of the same device. The first unregistration succeeds
> but the next one results in a null-ptr-deref.
>
> The get_free_serial_index() function
On Tue, Apr 06, 2021 at 06:13:59PM +0530, Anirudh Rayabharam wrote:
> Multiple ttys try to claim the same the minor number causing a double
> unregistration of the same device. The first unregistration succeeds
> but the next one results in a null-ptr-deref.
>
> The get_free_serial_index()
On Tue, Apr 06, 2021 at 06:13:59PM +0530, Anirudh Rayabharam wrote:
> Multiple ttys try to claim the same the minor number causing a double
> unregistration of the same device. The first unregistration succeeds
> but the next one results in a null-ptr-deref.
>
> The get_free_serial_index()
Multiple ttys try to claim the same the minor number causing a double
unregistration of the same device. The first unregistration succeeds
but the next one results in a null-ptr-deref.
The get_free_serial_index() function returns an available minor number
but doesn't assign it immediately. The
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