[PATCH v8 03/13] module: Make internal.h and decompress.c more compliant
From: Aaron Tomlin <hidden>
Date: 2022-02-22 14:13:23
Also in:
lkml
Subsystem:
module support, the rest · Maintainers:
Luis Chamberlain, Petr Pavlu, Daniel Gomez, Sami Tolvanen, Linus Torvalds
This patch will address the following warning and style violations
generated by ./scripts/checkpatch.pl in strict mode:
WARNING: Use #include <linux/module.h> instead of <asm/module.h>
#10: FILE: kernel/module/internal.h:10:
+#include <asm/module.h>
CHECK: spaces preferred around that '-' (ctx:VxV)
#18: FILE: kernel/module/internal.h:18:
+#define INIT_OFFSET_MASK (1UL << (BITS_PER_LONG-1))
CHECK: Please use a blank line after function/struct/union/enum declarations
#69: FILE: kernel/module/internal.h:69:
+}
+static inline void module_decompress_cleanup(struct load_info *info)
^
CHECK: extern prototypes should be avoided in .h files
#84: FILE: kernel/module/internal.h:84:
+extern int mod_verify_sig(const void *mod, struct load_info *info);
WARNING: Missing a blank line after declarations
#116: FILE: kernel/module/decompress.c:116:
+ struct page *page = module_get_next_page(info);
+ if (!page) {
WARNING: Missing a blank line after declarations
#174: FILE: kernel/module/decompress.c:174:
+ struct page *page = module_get_next_page(info);
+ if (!page) {
CHECK: Please use a blank line after function/struct/union/enum declarations
#258: FILE: kernel/module/decompress.c:258:
+}
+static struct kobj_attribute module_compression_attr = __ATTR_RO(compression);
Note: Fortunately, the multiple-include optimisation found in
include/linux/module.h will prevent duplication/or inclusion more than
once.
Fixes: f314dfea16a ("modsign: log module name in the event of an error")
Reviewed-by: Christophe Leroy <redacted>
Signed-off-by: Aaron Tomlin <redacted>
---
kernel/module/decompress.c | 3 +++
kernel/module/internal.h | 6 ++++--
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/kernel/module/decompress.c b/kernel/module/decompress.c
index d14d6443225a..2fc7081dd7c1 100644
--- a/kernel/module/decompress.c
+++ b/kernel/module/decompress.c@@ -113,6 +113,7 @@ static ssize_t module_gzip_decompress(struct load_info *info, do { struct page *page = module_get_next_page(info); + if (!page) { retval = -ENOMEM; goto out_inflate_end;
@@ -171,6 +172,7 @@ static ssize_t module_xz_decompress(struct load_info *info, do { struct page *page = module_get_next_page(info); + if (!page) { retval = -ENOMEM; goto out;
@@ -256,6 +258,7 @@ static ssize_t compression_show(struct kobject *kobj, { return sysfs_emit(buf, "%s\n", __stringify(MODULE_COMPRESSION)); } + static struct kobj_attribute module_compression_attr = __ATTR_RO(compression); static int __init module_decompress_sysfs_init(void)
diff --git a/kernel/module/internal.h b/kernel/module/internal.h
index ea8c4c02614c..e0775e66bcf7 100644
--- a/kernel/module/internal.h
+++ b/kernel/module/internal.h@@ -6,7 +6,8 @@ */ #include <linux/elf.h> -#include <asm/module.h> +#include <linux/compiler.h> +#include <linux/module.h> #include <linux/mutex.h> #ifndef ARCH_SHF_SMALL
@@ -54,7 +55,7 @@ struct load_info { } index; }; -extern int mod_verify_sig(const void *mod, struct load_info *info); +int mod_verify_sig(const void *mod, struct load_info *info); #ifdef CONFIG_MODULE_DECOMPRESS int module_decompress(struct load_info *info, const void *buf, size_t size);
@@ -65,6 +66,7 @@ static inline int module_decompress(struct load_info *info, { return -EOPNOTSUPP; } + static inline void module_decompress_cleanup(struct load_info *info) { }
--
2.34.1