diff options
| author | Matt Carlson <mcarlson@broadcom.com> | 2010-09-15 09:00:00 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-15 14:16:15 -0700 |
| commit | a4a8bb15aed20ff74aa3ca14a4f2c0d62efd8391 (patch) | |
| tree | 4bb8ecf2f523b5659877e48fb74a6079d1baf396 | |
| parent | 02e96080af2b70313f2ffc8c1b03ae2f9d8c65ac (diff) | |
tg3: Dynamically allocate VPD data memory
This patch eases stack pressure by dynamically allocating the memory
used to temporarily store VPD data.
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/tg3.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index a4fbe4f85ffe..0d0deaae5f4c 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -12415,14 +12415,18 @@ skip_phy_reset: static void __devinit tg3_read_vpd(struct tg3 *tp) { - u8 vpd_data[TG3_NVM_VPD_LEN]; + u8 *vpd_data; unsigned int block_end, rosize, len; int j, i = 0; u32 magic; if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) || tg3_nvram_read(tp, 0x0, &magic)) - goto out_not_found; + goto out_no_vpd; + + vpd_data = kmalloc(TG3_NVM_VPD_LEN, GFP_KERNEL); + if (!vpd_data) + goto out_no_vpd; if (magic == TG3_EEPROM_MAGIC) { for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) { @@ -12506,9 +12510,12 @@ partno: memcpy(tp->board_part_number, &vpd_data[i], len); - return; - out_not_found: + kfree(vpd_data); + if (!tp->board_part_number[0]) + return; + +out_no_vpd: if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) strcpy(tp->board_part_number, "BCM95906"); else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 && |