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mtd: rawnand: stm32_fmc2: fix a buffer overflow 

The chip select defined in the device tree could only be 0 or 1.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Christophe Kerello 2020-07-31 09:53:34 +02:00 committed by Patrice Chotard
parent 9a2b0540dc
commit e99e812e12
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/nand/raw/stm32_fmc2_nand.c
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@ -846,7 +846,7 @@ static int stm32_fmc2_parse_child(struct stm32_fmc2_nfc *fmc2,
} }
for (i = 0; i < nand->ncs; i++) { for (i = 0; i < nand->ncs; i++) {
if (cs[i] > FMC2_MAX_CE) { if (cs[i] >= FMC2_MAX_CE) {
pr_err("Invalid reg value: %d\n", pr_err("Invalid reg value: %d\n",
nand->cs_used[i]); nand->cs_used[i]);
return -EINVAL; return -EINVAL;