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authorIan Abbott <[email protected]>2021-02-23 14:30:45 +0000
committerGreg Kroah-Hartman <[email protected]>2021-03-10 09:23:29 +0100
commit1c0f20b78781b9ca50dc3ecfd396d0db5b141890 (patch)
treeec51a466d75b13e451d701a9b77f6f6bc7f6a088 /lib/mpi/mpiutil.c
parentb2e78630f733a76508b53ba680528ca39c890e82 (diff)
staging: comedi: das6402: Fix endian problem for AI command data
The analog input subdevice supports Comedi asynchronous commands that use Comedi's 16-bit sample format. However, the call to `comedi_buf_write_samples()` is passing the address of a 32-bit integer variable. On bigendian machines, this will copy 2 bytes from the wrong end of the 32-bit value. Fix it by changing the type of the variable holding the sample value to `unsigned short`. Fixes: d1d24cb65ee3 ("staging: comedi: das6402: read analog input samples in interrupt handler") Cc: <[email protected]> # 3.19+ Signed-off-by: Ian Abbott <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
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