CHECK: Prefer kernel type 'u16' over 'uint16_t'
#70: FILE: kernel/kexec_bpf_loader.c:91:
+	uint16_t cmd;

CHECK: Prefer kernel type 'u8' over 'uint8_t'
#71: FILE: kernel/kexec_bpf_loader.c:92:
+	uint8_t subcmd;

CHECK: Prefer kernel type 'u8' over 'uint8_t'
#72: FILE: kernel/kexec_bpf_loader.c:93:
+	uint8_t pipeline_flag;

CHECK: Prefer kernel type 'u32' over 'uint32_t'
#74: FILE: kernel/kexec_bpf_loader.c:95:
+	uint32_t payload_len;

CHECK: Prefer kernel type 'u16' over 'uint16_t'
#76: FILE: kernel/kexec_bpf_loader.c:97:
+	uint16_t num_chunks;

CHECK: Prefer kernel type 'u16' over 'uint16_t'
#81: FILE: kernel/kexec_bpf_loader.c:102:
+	uint16_t type;

CHECK: Prefer kernel type 'u32' over 'uint32_t'
#82: FILE: kernel/kexec_bpf_loader.c:103:
+	uint32_t len;

CHECK: Please don't use multiple blank lines
#85: FILE: kernel/kexec_bpf_loader.c:106:
+
+

CHECK: Prefer using the BIT macro
#87: FILE: kernel/kexec_bpf_loader.c:108:
+#define MAX_UNCOMPRESSED_BUF_SIZE	(1 << 29)

CHECK: Prefer using the BIT macro
#88: FILE: kernel/kexec_bpf_loader.c:109:
+#define CHUNK_SIZE	(1 << 23)

WARNING: line length of 81 exceeds 80 columns
#111: FILE: kernel/kexec_bpf_loader.c:132:
+	if (unlikely((a->next_idx * a->chunk_size >= MAX_UNCOMPRESSED_BUF_SIZE)))

CHECK: multiple assignments should be avoided
#118: FILE: kernel/kexec_bpf_loader.c:139:
+	a->chunk_start = a->chunk_cur = p;

CHECK: Alignment should match open parenthesis
#124: FILE: kernel/kexec_bpf_loader.c:145:
+static int merge_decompressed_data(struct decompress_mem_allocator *a,
+			char **out, unsigned long *size)

CHECK: multiple assignments should be avoided
#132: FILE: kernel/kexec_bpf_loader.c:153:
+	cur_dst = dst = __vmalloc(total_sz, GFP_KERNEL | __GFP_ACCOUNT);

CHECK: Lines should not end with a '('
#152: FILE: kernel/kexec_bpf_loader.c:173:
+static int decompress_mem_allocator_init(

WARNING: line length of 85 exceeds 80 columns
#156: FILE: kernel/kexec_bpf_loader.c:177:
+	unsigned long sz = (MAX_UNCOMPRESSED_BUF_SIZE / chunk_size) * sizeof(void *);

CHECK: multiple assignments should be avoided
#170: FILE: kernel/kexec_bpf_loader.c:191:
+	a->chunk_start = a->chunk_cur = buf;

CHECK: Comparison to NULL could be written "a->chunk_base_addr[i]"
#181: FILE: kernel/kexec_bpf_loader.c:202:
+		if (a->chunk_base_addr[i] != NULL)

WARNING: Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants
#204: FILE: kernel/kexec_bpf_loader.c:225:
+	BUG_ON(free < 0);

CHECK: multiple assignments should be avoided
#211: FILE: kernel/kexec_bpf_loader.c:232:
+		a->chunk_start = a->chunk_cur = allocate_chunk_memory();

WARNING: line length of 81 exceeds 80 columns
#224: FILE: kernel/kexec_bpf_loader.c:245:
+		char **out_buf, unsigned long *out_sz, struct kexec_context *ctx)

CHECK: Alignment should match open parenthesis
#224: FILE: kernel/kexec_bpf_loader.c:245:
+static int parser_cmd_decompress(char *compressed_data, int image_gz_sz,
+		char **out_buf, unsigned long *out_sz, struct kexec_context *ctx)

CHECK: Alignment should match open parenthesis
#241: FILE: kernel/kexec_bpf_loader.c:262:
+	pr_debug("Find decompressing method: %s, compressed sz:0x%x\n",
+			name, image_gz_sz);

CHECK: Alignment should match open parenthesis
#243: FILE: kernel/kexec_bpf_loader.c:264:
+	ret = decompressor(compressed_data, image_gz_sz, NULL, flush,
+				NULL, NULL, NULL);

CHECK: Alignment should match open parenthesis
#266: FILE: kernel/kexec_bpf_loader.c:287:
+		pr_info("Invalid payload size:0x%x, while buffer size:0x%x\n",
+				cmd->payload_len, pbuf->size);

WARNING: line length of 85 exceeds 80 columns
#274: FILE: kernel/kexec_bpf_loader.c:295:
+		ret = parser_cmd_decompress(buf, cmd->payload_len, &decompressed_buf,

CHECK: Alignment should match open parenthesis
#275: FILE: kernel/kexec_bpf_loader.c:296:
+		ret = parser_cmd_decompress(buf, cmd->payload_len, &decompressed_buf,
+					&decompressed_sz, ctx);

total: 0 errors, 5 warnings, 22 checks, 258 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit b819972708d1 ("kexec_file: Implement decompress method for parser") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 5 warnings, 22 checks, 258 lines checked