Skip to content

Commit

Permalink
memstick: annotate endianness of attribute structs
Browse files Browse the repository at this point in the history
The code was shifting the endianness appropriately everywhere, annotate
the structs to avoid the sparse warnings when assigning the endian types
to the struct members, or passing them to be[16|32]_to_cpu:

drivers/memstick/core/mspro_block.c:331:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:333:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:335:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:337:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:341:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:347:4: warning: cast to restricted __be32
drivers/memstick/core/mspro_block.c:356:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:358:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:364:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:367:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:369:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:371:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:377:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:478:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:480:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:482:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:484:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:486:4: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:689:22:    expected unsigned int [unsigned] [assigned] data_address
drivers/memstick/core/mspro_block.c:689:22:    got restricted __be32 [usertype] <noident>
drivers/memstick/core/mspro_block.c:697:3: warning: cast to restricted __be32
drivers/memstick/core/mspro_block.c:960:17: warning: incorrect type in initializer (different base types)
drivers/memstick/core/mspro_block.c:960:17:    expected unsigned short [unsigned] data_count
drivers/memstick/core/mspro_block.c:960:17:    got restricted __be16 [usertype] <noident>
drivers/memstick/core/mspro_block.c:993:6: warning: cast to restricted __be16
drivers/memstick/core/mspro_block.c:995:28: warning: cast to restricted __be16

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  • Loading branch information
hharrison authored and torvalds committed Jan 10, 2009
1 parent fe8e4e0 commit 69347a2
Show file tree
Hide file tree
Showing 2 changed files with 23 additions and 24 deletions.
43 changes: 21 additions & 22 deletions drivers/memstick/core/mspro_block.c
Expand Up @@ -52,14 +52,14 @@ struct mspro_sys_attr {
};

struct mspro_attr_entry {
unsigned int address;
unsigned int size;
__be32 address;
__be32 size;
unsigned char id;
unsigned char reserved[3];
} __attribute__((packed));

struct mspro_attribute {
unsigned short signature;
__be16 signature;
unsigned short version;
unsigned char count;
unsigned char reserved[11];
Expand All @@ -69,28 +69,28 @@ struct mspro_attribute {
struct mspro_sys_info {
unsigned char class;
unsigned char reserved0;
unsigned short block_size;
unsigned short block_count;
unsigned short user_block_count;
unsigned short page_size;
__be16 block_size;
__be16 block_count;
__be16 user_block_count;
__be16 page_size;
unsigned char reserved1[2];
unsigned char assembly_date[8];
unsigned int serial_number;
__be32 serial_number;
unsigned char assembly_maker_code;
unsigned char assembly_model_code[3];
unsigned short memory_maker_code;
unsigned short memory_model_code;
__be16 memory_maker_code;
__be16 memory_model_code;
unsigned char reserved2[4];
unsigned char vcc;
unsigned char vpp;
unsigned short controller_number;
unsigned short controller_function;
unsigned short start_sector;
unsigned short unit_size;
__be16 controller_number;
__be16 controller_function;
__be16 start_sector;
__be16 unit_size;
unsigned char ms_sub_class;
unsigned char reserved3[4];
unsigned char interface_type;
unsigned short controller_code;
__be16 controller_code;
unsigned char format_type;
unsigned char reserved4;
unsigned char device_type;
Expand Down Expand Up @@ -124,11 +124,11 @@ struct mspro_specfile {
} __attribute__((packed));

struct mspro_devinfo {
unsigned short cylinders;
unsigned short heads;
unsigned short bytes_per_track;
unsigned short bytes_per_sector;
unsigned short sectors_per_track;
__be16 cylinders;
__be16 heads;
__be16 bytes_per_track;
__be16 bytes_per_sector;
__be16 sectors_per_track;
unsigned char reserved[6];
} __attribute__((packed));

Expand Down Expand Up @@ -338,8 +338,7 @@ static ssize_t mspro_block_attr_show_sysinfo(struct device *dev,
rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "assembly date: "
"GMT%+d:%d %04u-%02u-%02u %02u:%02u:%02u\n",
date_tz, date_tz_f,
be16_to_cpu(*(unsigned short *)
&x_sys->assembly_date[1]),
be16_to_cpup((__be16 *)&x_sys->assembly_date[1]),
x_sys->assembly_date[3], x_sys->assembly_date[4],
x_sys->assembly_date[5], x_sys->assembly_date[6],
x_sys->assembly_date[7]);
Expand Down
4 changes: 2 additions & 2 deletions include/linux/memstick.h
Expand Up @@ -100,8 +100,8 @@ struct mspro_param_register {
#define MEMSTICK_SYS_PAR8 0x40
#define MEMSTICK_SYS_SERIAL 0x80

unsigned short data_count;
unsigned int data_address;
__be16 data_count;
__be32 data_address;
unsigned char tpc_param;
} __attribute__((packed));

Expand Down

0 comments on commit 69347a2

Please sign in to comment.