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drivers: sbs_gauge: Fix buffer overflow

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Fixes buffer overflow when trying to copy 5 bytes to 4 bytes array.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
This commit is contained in:
Andrei Emeltchenko 2023-05-22 16:36:41 +03:00 committed by Carles Cufí
parent 8bb576b7e8
commit f6211e2641
1 changed files with 2 additions and 1 deletions
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3
drivers/fuel_gauge/sbs_gauge/emul_sbs_gauge.c
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@ -141,7 +141,8 @@ static int emul_sbs_gauge_buffer_read(const struct emul *target, int reg, char *
break;
case SBS_GAUGE_CMD_DEVICE_CHEMISTRY:
dev_chem->device_chemistry_length = sizeof(chem);
dev_chem->device_chemistry_length = MIN(sizeof(chem),
sizeof(dev_chem->device_chemistry));
memcpy(dev_chem->device_chemistry, chem, dev_chem->device_chemistry_length);
break;
default: