On Tue, Feb 13, 2018 at 02:18:13PM -0500, Sean Paul wrote: > Hi dri-devel, > Qualcomm has been working for the past few weeks on forward porting their > downstream drm driver from 4.14 to mainline. Please consider this PR as a > request for review, rather than an attempt at mainlining the code as it > currently stands. The goal is get this driver in shape over the next coming > months. > > In the meantime, I'll be hosting a tree here [1] to stage the fixes. Patches > will be posted and reviewed on linux-arm-msm@xxxxxxxxxxxxxxx. Once things look > good, I'll send another pull 4realz. > > drivers/gpu/drm/msm/msm_rd.c | 58 +- These changes are somewhat overzealous pointer verification, If struct file * and/or struct inode * are NULL in a fops function your system is already having a bad day. The only check that might be somewhat reasonable is for gpu->funcs->get_param but that hook is defined on all targets so I don't think it is unreasonable to assume that it should be there (and if it isn't the unit test sure better catch it). We can safely drop these changes. Jordan -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html