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da9052-battery: Avoid out-of-range array access

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Avoid accessing vc_tbl_ref[3], which is one past the end of that array, in
da9052_determine_vc_tbl_index(), by adjusting the loop bound.

(Hint: there is 'i + 1' inside the loop.)

Signed-off-by: Nickolai Zeldovich <nickolai@csail.mit.edu>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This commit is contained in:
Nickolai Zeldovich 2013-01-05 14:14:51 -05:00 committed by Anton Vorontsov
parent 00edfc65c2
commit c4f3422630
1 changed files with 1 additions and 1 deletions
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2
drivers/power/da9052-battery.c
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@ -337,7 +337,7 @@ static unsigned char da9052_determine_vc_tbl_index(unsigned char adc_temp)
if (adc_temp > vc_tbl_ref[DA9052_VC_TBL_REF_SZ - 1])
return DA9052_VC_TBL_REF_SZ - 1;
for (i = 0; i < DA9052_VC_TBL_REF_SZ; i++) {
for (i = 0; i < DA9052_VC_TBL_REF_SZ - 1; i++) {
if ((adc_temp > vc_tbl_ref[i]) &&
(adc_temp <= DA9052_MEAN(vc_tbl_ref[i], vc_tbl_ref[i + 1])))
return i;