cgroup1: switch to use of errorfc() et.al. (58c025f0) · Commits · 戴 / test

kernel/cgroup/cgroup-v1.c

+12 −12

Original line number	Diff line number	Diff line
		@@ -917,7 +917,7 @@ int cgroup1_parse_param(struct fs_context fc, struct fs_parameter param)
		ctx->subsys_mask \|= (1 << i);
		return 0;
		}
		return invalf(fc, "cgroup1: Unknown subsys name '%s'", param->key);
		return invalfc(fc, "Unknown subsys name '%s'", param->key);
		}
		if (opt < 0)
		return opt;
		@@ -945,7 +945,7 @@ int cgroup1_parse_param(struct fs_context fc, struct fs_parameter param)
		case Opt_release_agent:
		/* Specifying two release agents is forbidden */
		if (ctx->release_agent)
		return invalf(fc, "cgroup1: release_agent respecified");
		return invalfc(fc, "release_agent respecified");
		ctx->release_agent = param->string;
		param->string = NULL;
		break;
		@@ -955,9 +955,9 @@ int cgroup1_parse_param(struct fs_context fc, struct fs_parameter param)
		return -ENOENT;
		/* Can't specify an empty name */
		if (!param->size)
		return invalf(fc, "cgroup1: Empty name");
		return invalfc(fc, "Empty name");
		if (param->size > MAX_CGROUP_ROOT_NAMELEN - 1)
		return invalf(fc, "cgroup1: Name too long");
		return invalfc(fc, "Name too long");
		/* Must match [\w.-]+ */
		for (i = 0; i < param->size; i++) {
		char c = param->string[i];
		@@ -965,11 +965,11 @@ int cgroup1_parse_param(struct fs_context fc, struct fs_parameter param)
		continue;
		if ((c == '.') \|\| (c == '-') \|\| (c == '_'))
		continue;
		return invalf(fc, "cgroup1: Invalid name");
		return invalfc(fc, "Invalid name");
		}
		/* Specifying two names is forbidden */
		if (ctx->name)
		return invalf(fc, "cgroup1: name respecified");
		return invalfc(fc, "name respecified");
		ctx->name = param->string;
		param->string = NULL;
		break;
		@@ -1004,7 +1004,7 @@ static int check_cgroupfs_options(struct fs_context *fc)
		if (ctx->all_ss) {
		/* Mutually exclusive option 'all' + subsystem name */
		if (ctx->subsys_mask)
		return invalf(fc, "cgroup1: subsys name conflicts with all");
		return invalfc(fc, "subsys name conflicts with all");
		/* 'all' => select all the subsystems */
		ctx->subsys_mask = enabled;
		}
		@@ -1014,7 +1014,7 @@ static int check_cgroupfs_options(struct fs_context *fc)
		* empty hierarchies must have a name).
		*/
		if (!ctx->subsys_mask && !ctx->name)
		return invalf(fc, "cgroup1: Need name or subsystem set");
		return invalfc(fc, "Need name or subsystem set");

		/*
		* Option noprefix was introduced just for backward compatibility
		@@ -1022,11 +1022,11 @@ static int check_cgroupfs_options(struct fs_context *fc)
		* the cpuset subsystem.
		*/
		if ((ctx->flags & CGRP_ROOT_NOPREFIX) && (ctx->subsys_mask & mask))
		return invalf(fc, "cgroup1: noprefix used incorrectly");
		return invalfc(fc, "noprefix used incorrectly");

		/* Can't specify "none" and some subsystems */
		if (ctx->subsys_mask && ctx->none)
		return invalf(fc, "cgroup1: none used incorrectly");
		return invalfc(fc, "none used incorrectly");

		return 0;
		}
		@@ -1056,7 +1056,7 @@ int cgroup1_reconfigure(struct fs_context *fc)
		/* Don't allow flags or name to change at remount */
		if ((ctx->flags ^ root->flags) \|\|
		(ctx->name && strcmp(ctx->name, root->name))) {
		errorf(fc, "option or name mismatch, new: 0x%x \"%s\", old: 0x%x \"%s\"",
		errorfc(fc, "option or name mismatch, new: 0x%x \"%s\", old: 0x%x \"%s\"",
		ctx->flags, ctx->name ?: "", root->flags, root->name);
		ret = -EINVAL;
		goto out_unlock;
		@@ -1173,7 +1173,7 @@ static int cgroup1_root_to_use(struct fs_context *fc)
		* can't create new one without subsys specification.
		*/
		if (!ctx->subsys_mask && !ctx->none)
		return invalf(fc, "cgroup1: No subsys list or none specified");
		return invalfc(fc, "No subsys list or none specified");

		/* Hierarchies may only be created in the initial cgroup namespace. */
		if (ctx->ns != &init_cgroup_ns)

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