Dear Wolfgang Denk, > -----Original Message----- > From: Wolfgang Denk [mailto:[email protected]] > Sent: Friday, May 31, 2013 4:23 PM > To: Piotr Wilczek > Cc: [email protected]; Minkyu Kang; Kyungmin Park; Lukasz Majewski; > Anatolij Gustschin > Subject: Re: [PATCH] lcd: align bmp header when uncopmressing image > > Dear Piotr Wilczek, > > In message <[email protected]> > you wrote: > > When compressed image is loaded, it must be decompressed to an > aligned > > address + 2 to avoid unaligned access exception on some ARM > platforms. > > If you do this, you must also account for the up to 2 additional bytes > needed in the allocated buffer. > > Otherwise you might write over the end of the buffer... > Because 8-byte alignment is guaranteed by malloc I don't think might over write anything when moving by only 2 bytes. But you are right that in principle extra bytes should be allocated.
> Best regards, > > Wolfgang Denk > > -- > DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel > HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany > Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected] > Die ganzen Zahlen hat der liebe Gott geschaffen, alles andere ist > Menschenwerk... Leopold Kronecker Best regards, Piotr Wilczek _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
