Messages in this thread | | | From | "Clark, Liz" <> | Date | Thu, 15 Mar 2012 19:36:34 +0000 | Subject | RE: [PATCH] TTY: Wrong unicode value copied in con_set_unimap() |
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> -----Original Message----- > From: Greg KH [mailto:gregkh@linuxfoundation.org] > Sent: Thursday, March 15, 2012 11:55 AM > To: Clark, Liz > Cc: linux-kernel@vger.kernel.org > Subject: Re: [PATCH] TTY: Wrong unicode value copied in > con_set_unimap() > > On Thu, Mar 15, 2012 at 10:33:29AM -0700, Liz Clark wrote: > > Bugzilla 40012: PIO_UNIMAP bug: error updating Unicode-to-font map > > > > The unicode font map for the virtual console is a 32x32x64 table > which > > allocates rows dynamically as entries are added. The unicode value > > increases sequentially and should count all entries even in empty > > rows. The defect is when copying the unicode font map in > con_set_unimap(), > > the unicode value is not incremented properly. The wrong unicode > value > > is entered in the new font map. > > > > Signed-off-by: Liz Clark <liz.clark@hp.com> > > Is this a new problem caused by recent changes in this area, or has it > always been there and needs to be backported to older kernels to solve > the problem there? > > thanks, > > greg k-h
The code with the defect was introduced in v2.1.112. Prior to that the fontmap was not copied at all in con_set_unimap().
Liz
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