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2020-06-16pinctrl: mcp23s08: Split to three parts: fix ptr_ret.cocci warningskernel test robot1-4/+1
drivers/pinctrl/pinctrl-mcp23s08_spi.c:129:1-3: WARNING: PTR_ERR_OR_ZERO can be used Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR Generated by: scripts/coccinelle/api/ptr_ret.cocci Fixes: 0f04a81784fe ("pinctrl: mcp23s08: Split to three parts: core, I²C, SPI") Signed-off-by: kernel test robot <lkp@intel.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> CC: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20200608010253.GA79576@44f7ab9e8d59 Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-06-16pinctrl: tegra: Use noirq suspend/resume callbacksVidya Sagar1-2/+2
Use noirq suspend/resume callbacks as other drivers which implement noirq suspend/resume callbacks (Ex:- PCIe) depend on pinctrl driver to configure the signals used by their respective devices in the noirq phase. Signed-off-by: Vidya Sagar <vidyas@nvidia.com> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Link: https://lore.kernel.org/r/20200604174935.26560-1-vidyas@nvidia.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-06-16pinctrl: qcom: spmi-gpio: fix warning about irq chip reusageDmitry Baryshkov1-11/+10
Fix the following warnings caused by reusage of the same irq_chip instance for all spmi-gpio gpio_irq_chip instances. Instead embed irq_chip into pmic_gpio_state struct. gpio gpiochip2: (c440000.qcom,spmi:pmic@2:gpio@c000): detected irqchip that is shared with multiple gpiochips: please fix the driver. gpio gpiochip3: (c440000.qcom,spmi:pmic@4:gpio@c000): detected irqchip that is shared with multiple gpiochips: please fix the driver. gpio gpiochip4: (c440000.qcom,spmi:pmic@a:gpio@c000): detected irqchip that is shared with multiple gpiochips: please fix the driver. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20200604002817.667160-1-dmitry.baryshkov@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-06-14Linux 5.8-rc1Linus Torvalds1-2/+2
2020-06-14security: Add LSM hooks to set*gid syscallsThomas Cedeno5-1/+40
The SafeSetID LSM uses the security_task_fix_setuid hook to filter set*uid() syscalls according to its configured security policy. In preparation for adding analagous support in the LSM for set*gid() syscalls, we add the requisite hook here. Tested by putting print statements in the security_task_fix_setgid hook and seeing them get hit during kernel boot. Signed-off-by: Thomas Cedeno <thomascedeno@google.com> Signed-off-by: Micah Morton <mortonm@chromium.org>
2020-06-14Revert "btrfs: switch to iomap_dio_rw() for dio"David Sterba4-166/+169
This reverts commit a43a67a2d715540c1368b9501a22b0373b5874c0. This patch reverts the main part of switching direct io implementation to iomap infrastructure. There's a problem in invalidate page that couldn't be solved as regression in this development cycle. The problem occurs when buffered and direct io are mixed, and the ranges overlap. Although this is not recommended, filesystems implement measures or fallbacks to make it somehow work. In this case, fallback to buffered IO would be an option for btrfs (this already happens when direct io is done on compressed data), but the change would be needed in the iomap code, bringing new semantics to other filesystems. Another problem arises when again the buffered and direct ios are mixed, invalidation fails, then -EIO is set on the mapping and fsync will fail, though there's no real error. There have been discussions how to fix that, but revert seems to be the least intrusive option. Link: https://lore.kernel.org/linux-btrfs/20200528192103.xm45qoxqmkw7i5yl@fiona/ Signed-off-by: David Sterba <dsterba@suse.com>
2020-06-13net: ethernet: ti: ale: fix allmulti for nu type aleGrygorii Strashko1-9/+40
On AM65xx MCU CPSW2G NUSS and 66AK2E/L NUSS allmulti setting does not allow unregistered mcast packets to pass. This happens, because ALE VLAN entries on these SoCs do not contain port masks for reg/unreg mcast packets, but instead store indexes of ALE_VLAN_MASK_MUXx_REG registers which intended for store port masks for reg/unreg mcast packets. This path was missed by commit 9d1f6447274f ("net: ethernet: ti: ale: fix seeing unreg mcast packets with promisc and allmulti disabled"). Hence, fix it by taking into account ALE type in cpsw_ale_set_allmulti(). Fixes: 9d1f6447274f ("net: ethernet: ti: ale: fix seeing unreg mcast packets with promisc and allmulti disabled") Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13net: ethernet: ti: am65-cpsw-nuss: fix ale parameters initGrygorii Strashko1-1/+1
The ALE parameters structure is created on stack, so it has to be reset before passing to cpsw_ale_create() to avoid garbage values. Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver") Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13net: atm: Remove the error message according to the atomic contextLiao Pingfang1-3/+1
Looking into the context (atomic!) and the error message should be dropped. Signed-off-by: Liao Pingfang <liao.pingfang@zte.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>