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6f7e357bf1
parse_arg() duplicates the funcionality of kstrtoint() so use the latter function instead. There is no funcionality change except that in the case of input being too big -ERANGE will be returned instead of -EINVAL which is not bad because -ERANGE makes more sense here. The check for !count is already done by the sysfs core so no need to duplicate it again. Also, add some minor corrections to error handling to accommodate the change in return values (parse_arg returned count if everything succeeded whereas kstrtoint returns 0 in the same situation) As a result of this patch asus-laptop.ko size is reduced by almost 1%: add/remove: 0/1 grow/shrink: 1/6 up/down: 1/-149 (-148) function old new delta __UNIQUE_ID_vermagic0 69 70 +1 ls_switch_store 133 117 -16 ledd_store 175 159 -16 display_store 157 141 -16 ls_level_store 193 176 -17 gps_store 200 178 -22 sysfs_acpi_set.isra 148 125 -23 parse_arg.part 39 - -39 Total: Before=19160, After=19012, chg -0.77% Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com> |
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