Re: [PATCH 1/2] staging: iio replaced kmalloc with local variables.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 2011-06-06 at 14:55 -0700, Greg KH wrote:
> On Tue, Jun 07, 2011 at 12:37:37AM +0530, anish wrote:
> > From: anish kumar <anish198519851985@xxxxxxxxx>
> > Replace kmalloc with local variables as it was un-necessary and
> > also removed the redudant code after this change.
> SPI data, like USB data, has to come from kmalloced data, not from the
> stack, or bad things can, and will, happen.

Perhaps just add a comment like:

+       u8 *tx = kmalloc(2, GFP_KERNEL);	/* can't be on stack */

It might be better to do a single kmalloc(4)
than 2 separate kmalloc(2)'s.


_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/devel


[Index of Archives]     [Linux Driver Backports]     [DMA Engine]     [Linux GPIO]     [Linux SPI]     [Video for Linux]     [Linux USB Devel]     [Linux Coverity]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux