diff options
| author | zhangyue <zhangyue1@kylinos.cn> | 2021-11-25 19:36:10 +0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-11-26 11:29:20 -0800 |
| commit | 0435a4d08032c8fba2966cebdac870e22238cacc (patch) | |
| tree | fe2921e3354850085538e2516f80860a3b0134fb | |
| parent | bacb6c1e47691cda4a95056c21b5487fb7199fcc (diff) | |
net: qed: fix the array may be out of bound
If the variable 'p_bit->flags' is always 0,
the loop condition is always 0.
The variable 'j' may be greater than or equal to 32.
At this time, the array 'p_aeu->bits[32]' may be out
of bound.
Signed-off-by: zhangyue <zhangyue1@kylinos.cn>
Link: https://lore.kernel.org/r/20211125113610.273841-1-zhangyue1@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_int.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c b/drivers/net/ethernet/qlogic/qed/qed_int.c index a97f691839e0..6958adeca86d 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_int.c +++ b/drivers/net/ethernet/qlogic/qed/qed_int.c @@ -1045,7 +1045,7 @@ static int qed_int_deassertion(struct qed_hwfn *p_hwfn, if (!parities) continue; - for (j = 0, bit_idx = 0; bit_idx < 32; j++) { + for (j = 0, bit_idx = 0; bit_idx < 32 && j < 32; j++) { struct aeu_invert_reg_bit *p_bit = &p_aeu->bits[j]; if (qed_int_is_parity_flag(p_hwfn, p_bit) && @@ -1083,7 +1083,7 @@ static int qed_int_deassertion(struct qed_hwfn *p_hwfn, * to current group, making them responsible for the * previous assertion. */ - for (j = 0, bit_idx = 0; bit_idx < 32; j++) { + for (j = 0, bit_idx = 0; bit_idx < 32 && j < 32; j++) { long unsigned int bitmask; u8 bit, bit_len; @@ -1382,7 +1382,7 @@ static void qed_int_sb_attn_init(struct qed_hwfn *p_hwfn, memset(sb_info->parity_mask, 0, sizeof(u32) * NUM_ATTN_REGS); for (i = 0; i < NUM_ATTN_REGS; i++) { /* j is array index, k is bit index */ - for (j = 0, k = 0; k < 32; j++) { + for (j = 0, k = 0; k < 32 && j < 32; j++) { struct aeu_invert_reg_bit *p_aeu; p_aeu = &aeu_descs[i].bits[j]; |