A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 10:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

drivers/misc/pch_phub.c: don't oops if dmi_get_system_info returns NULL

Browse source 
If dmi_get_system_info() returns NULL, pch_phub_probe() will dereferencea
a zero pointer.

This oops was observed on an Atom based board which has no BIOS, but a
bootloder which doesn't privde DMI data.

Signed-off-by: Alexander Stein <[email protected]>
Cc: Tomoya MORINAGA <[email protected]>
Cc: Greg KH <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alexander Stein 2011-07-25 17:11:54 -07:00 • committed by Linus Torvalds
commit 2b934c6236
1 changed files with 4 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

5
drivers/misc/pch_phub.c
View file

@ -686,6 +686,8 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
}
if (id->driver_data == 1) { /* EG20T PCH */
const char *board_name;
retval = sysfs_create_file(&pdev->dev.kobj,
&dev_attr_pch_mac.attr);
if (retval)
@ -701,7 +703,8 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
CLKCFG_CANCLK_MASK);
/* quirk for CM-iTC board */
if (strstr(dmi_get_system_info(DMI_BOARD_NAME), "CM-iTC"))
board_name = dmi_get_system_info(DMI_BOARD_NAME);
if (board_name && strstr(board_name, "CM-iTC"))
pch_phub_read_modify_write_reg(chip,
(unsigned int)CLKCFG_REG_OFFSET,
CLKCFG_UART_48MHZ | CLKCFG_BAUDDIV |