Module Name: src Committed By: thorpej Date: Sun Aug 8 01:06:57 UTC 2021
Modified Files: src/sys/dev/ofw [thorpej-i2c-spi-conf]: ofw_i2c_subr.c Log Message: If OFW_I2C_ALLOW_MISSING_COMPATIBLE_PROPERTY, ensure that clist_size is not negative for the call to kmem_tmpbuf_alloc(). To generate a diff of this commit: cvs rdiff -u -r1.1.6.8 -r1.1.6.9 src/sys/dev/ofw/ofw_i2c_subr.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/ofw/ofw_i2c_subr.c diff -u src/sys/dev/ofw/ofw_i2c_subr.c:1.1.6.8 src/sys/dev/ofw/ofw_i2c_subr.c:1.1.6.9 --- src/sys/dev/ofw/ofw_i2c_subr.c:1.1.6.8 Tue May 18 01:24:39 2021 +++ src/sys/dev/ofw/ofw_i2c_subr.c Sun Aug 8 01:06:57 2021 @@ -1,4 +1,4 @@ -/* $NetBSD: ofw_i2c_subr.c,v 1.1.6.8 2021/05/18 01:24:39 thorpej Exp $ */ +/* $NetBSD: ofw_i2c_subr.c,v 1.1.6.9 2021/08/08 01:06:57 thorpej Exp $ */ /* * Copyright (c) 2021 The NetBSD Foundation, Inc. @@ -27,7 +27,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ofw_i2c_subr.c,v 1.1.6.8 2021/05/18 01:24:39 thorpej Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ofw_i2c_subr.c,v 1.1.6.9 2021/08/08 01:06:57 thorpej Exp $"); #include <sys/param.h> #include <sys/device.h> @@ -149,11 +149,13 @@ of_i2c_enumerate_devices(device_t dev, d } clist_size = OF_getproplen(node, "compatible"); -#ifndef OFW_I2C_ALLOW_MISSING_COMPATIBLE_PROPERTY if (clist_size <= 0) { +#ifndef OFW_I2C_ALLOW_MISSING_COMPATIBLE_PROPERTY continue; - } +#else + clist_size = 0; #endif + } clist = kmem_tmpbuf_alloc(clist_size, compat_buf, sizeof(compat_buf), KM_SLEEP); if (OF_getprop(node, "compatible", clist, clist_size) <