Hi, Am 19.05.2015 um 09:13 schrieb Krzysztof Kozlowski <k.kozlow...@samsung.com>:
> Hi, > > > Changes since v1: > ================= > 1. Patch 2: fix invalid member used for container_of(). > 2. Patch 2: Replace WARN with pr_warn() in __power_supply_register() > if parent is missing. > > > Description: > ============ > This is an idea to fix issue in bq27x00 driver (and probably in others) > reported by H. Nikolaus Schaller [0]. > > The fixes are marked RFC/RFT because: > 1. I do not have bq27x00-like device. I confirmed this and tested on > modified drivers (max77693, ACPI AC). These drivers are not > impacted by the issue but one can easily adjust them to reproduce > the problem. > 2. The first uevent coming from power_supply_register() is now > different because it won't contain device properties. I am > not sure how this impacts userspace. > > Comments are welcomed. appears to work! bq27000 is coming up now without hickups. What I can’t test is if the uevent is reasonable because we do not have a specific rule triggered by it in our system. So from my side we are now happy with the solution. Thanks and BR, Nikolaus > > > [0] https://lkml.org/lkml/2015/5/18/152 > > > Best regards, > Krzysztof > > Krzysztof Kozlowski (2): > power_supply: Fix NULL pointer dereference during bq27x00_battery > probe > power_supply: Fix possible NULL pointer dereference on early uevent > > drivers/power/power_supply_core.c | 61 +++++++++++++++++++++++++++++++++++---- > include/linux/power_supply.h | 1 + > 2 files changed, 56 insertions(+), 6 deletions(-) > > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
