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authorClemens Ladisch <clemens@ladisch.de>2009-12-21 15:36:44 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2009-12-23 11:34:11 -0800
commitac06c06770bb8761b1f1f9bdf2f5420fa6d3e9fa (patch)
tree9119d4de2abbb3796b278e2e21d8c1eebcddae31 /drivers/usb/host/ohci-pxa27x.c
parent27f1281d5f72e4f161e215ccad3d7d86b9e624a9 (diff)
USB: emi62: fix crash when trying to load EMI 6|2 firmware
While converting emi62 to use request_firmware(), the driver was also changed to use the ihex helper functions. However, this broke the loading of the FPGA firmware because the code tries to access the addr field of the EOF record which works with a plain array that has an empty last record but not with the ihex helper functions where the end of the data is signaled with a NULL record pointer, resulting in: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<f80d248c>] emi62_load_firmware+0x33c/0x740 [emi62] This can be fixed by changing the loop condition to test the return value of ihex_next_binrec() directly (like in emi26.c). Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Reported-and-tested-by: Der Mickster <retroeffective@gmail.com> Acked-by: David Woodhouse <David.Woodhouse@intel.com> Cc: stable <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ohci-pxa27x.c')
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