Commit 9d5d041e authored by B K Karthik's avatar B K Karthik Committed by Greg Kroah-Hartman
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staging: comedi: comedi_fops.c: added casts to get rid of sparse warnings 



fixed sparse warnings by adding a cast in assignment from
void [noderef] __user * to unsigned int __force *
and a reverse cast in argument from
unsigned int * to  unsigned int __user * .

Signed-off-by: default avatarB K Karthik <karthik.bk2000@live.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20200717103031.3mfnlvqo3waolsee@pesu-pes-edu


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 891a8d77

drivers/staging/comedi/comedi_fops.c

+2 −2
Original line number Diff line number Diff line
@@ -2956,7 +2956,7 @@ static int get_compat_cmd(struct comedi_cmd *cmd, 
	cmd->scan_end_arg = v32.scan_end_arg;

	cmd->stop_src = v32.stop_src;

	cmd->stop_arg = v32.stop_arg;

	cmd->chanlist = compat_ptr(v32.chanlist);

	cmd->chanlist = (unsigned int __force *)compat_ptr(v32.chanlist);

	cmd->chanlist_len = v32.chanlist_len;

	cmd->data = compat_ptr(v32.data);

	cmd->data_len = v32.data_len;
@@ -2983,7 +2983,7 @@ static int put_compat_cmd(struct comedi32_cmd_struct __user *cmd32, 
	v32.stop_src = cmd->stop_src;

	v32.stop_arg = cmd->stop_arg;

	/* Assume chanlist pointer is unchanged. */

	v32.chanlist = ptr_to_compat(cmd->chanlist);

	v32.chanlist = ptr_to_compat((unsigned int __user *)cmd->chanlist);

	v32.chanlist_len = cmd->chanlist_len;

	v32.data = ptr_to_compat(cmd->data);

	v32.data_len = cmd->data_len;