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authorDan Carpenter <dan.carpenter@oracle.com>2013-08-23 12:38:32 +0300
committerWim Van Sebroeck <wim@iguana.be>2013-11-17 19:36:59 +0100
commita20a99fbb88ac58c2e118e8759967d1cd7355322 (patch)
treefad8c2ce78aa51b679d0ac0a561d3216d92eef31 /scripts
parentcfff96e69f05176afd0e58d3a8c853a6d68ce544 (diff)
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watchdog: ts72xx_wdt: cleanup return codes in ioctl
There seems to be some confusion here which functions return positive numbers and which return negative error codes. copy_to_user() returns the number of bytes remaining to be copied but we want to return -EFAULT. The rest is just clean up. get_user() actually returns zero on success and -EFAULT on error so we can preserve the error code. The timeout_to_regval() function returns -EINVAL on failure, but we can propogate that back instead of hardcoding -EINVAL ourselves. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> --
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