Re: [PATCH 1/2] ARM: OMAP4: Fix NULL pointer dereference crash.

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"Shilimkar, Santosh" <santosh.shilimkar@xxxxxx> writes:

> Kevin,
>> -----Original Message-----
>> From: Tony Lindgren [mailto:tony@xxxxxxxxxxx]
>> Sent: Monday, August 24, 2009 7:41 PM
>> To: Shilimkar, Santosh
>> Cc: rmk@xxxxxxxxxxxxxxxx; khilman@xxxxxxxxxxxxxxxxxxx; linux-arm-
>> kernel@xxxxxxxxxxxxxxxxxxxxxx; linux-omap@xxxxxxxxxxxxxxx; Syed, Rafiuddin
>> Subject: Re: [PATCH 1/2] ARM: OMAP4: Fix NULL pointer dereference crash.
>> 
>> * Santosh Shilimkar <santosh.shilimkar@xxxxxx> [090821 12:15]:
>> > After the patch series "[PATCH 00/14] OMAP PM fixes for .31-rc"
>> > merge in 2.6.31-rc5, the kernel crashed during boot on OMAP4430.
>> > This patch fixes it by adding UART4 support and related code.
>> > Without this patch omap_serial_init() would produce " NULL pointer
>> > dereference" and kernel crashes in the bootup on OMAP4430 platform.
>> >
>> > Some more info on the merge issue can be found here.
>> > More info- http://lkml.org/lkml/2009/8/20/192
>> >
>> > Note: While merging this patch,"IO_ADDRESS" needs to be changed
>> > to "OMAP2_IO_ADDRESS" if the Tony's below series is already merged in.
>> > http://www.mail-archive.com/linux-omap@xxxxxxxxxxxxxxx/msg15072.html
>> >
>> > Signed-off-by: Syed Rafiuddin <rafiuddin.syed@xxxxxx>
>> > Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
>> > Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
>> > ---
>> >  arch/arm/mach-omap2/board-4430sdp.c |    2 +-
>> >  arch/arm/mach-omap2/serial.c        |   27 ++++++++++++++++++++++++++-
>> >  2 files changed, 27 insertions(+), 2 deletions(-)
>> >
>> > diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-
>> omap2/board-4430sdp.c
>> > index b0c7402..1b22307 100644
>> > --- a/arch/arm/mach-omap2/board-4430sdp.c
>> > +++ b/arch/arm/mach-omap2/board-4430sdp.c
>> > @@ -39,7 +39,7 @@ static struct platform_device *sdp4430_devices[]
>> __initdata = {
>> >  };
>> >
>> >  static struct omap_uart_config sdp4430_uart_config __initdata = {
>> > -	.enabled_uarts	= (1 << 0) | (1 << 1) | (1 << 2),
>> > +	.enabled_uarts	= (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3),
>> >  };
>> >
>> 
>> This part above won't be needed any longer with patches in omap for next.
>
> Will you fix this in your branch or shall I post v4.

Santosh,

I'll fix this.

Kevin

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