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scsi/sd.c: quiet all sparse noise

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In sd_store_cache_type the symbol 'len' is declared twice.  Remove the
second declaration to quiet the following sparse warning.

warning: symbol 'len' shadows an earlier one

In sd_probe the variable 'index' is declared as a u32.  This variable is
used in a call to ida_get_new which is expecting an int *.  Make the
variable an int to quiet the following sparse warning.

warning: incorrect type in argument 2 (different signedness)

There are 4 symbols in the file that are not exported and produce
the following sparse warnings.

warning: symbol 'sd_cdb_cache' was not declared. Should it be static?
warning: symbol 'sd_cdb_pool' was not declared. Should it be static?
warning: symbol 'sd_read_protection_type' was not declared. Should it be static?
warning: symbol 'sd_read_app_tag_own' was not declared. Should it be static?

Make them static to quiet the warnings.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: James E.J. Bottomley <James.Bottomley@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
H Hartley Sweeten 2010-08-10 18:01:20 -07:00 committed by Linus Torvalds
parent d6e9fb46cd
commit 439d77f70f
1 changed files with 6 additions and 6 deletions
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12
drivers/scsi/sd.c
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@ -119,8 +119,8 @@ static DEFINE_IDA(sd_index_ida);
* object after last put) */
static DEFINE_MUTEX(sd_ref_mutex);
struct kmem_cache *sd_cdb_cache;
mempool_t *sd_cdb_pool;
static struct kmem_cache *sd_cdb_cache;
static mempool_t *sd_cdb_pool;
static const char *sd_cache_types[] = {
"write through", "none", "write back",
@ -147,7 +147,7 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr,
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(sd_cache_types); i++) {
const int len = strlen(sd_cache_types[i]);
len = strlen(sd_cache_types[i]);
if (strncmp(sd_cache_types[i], buf, len) == 0 &&
buf[len] == '\n') {
ct = i;
@ -1423,7 +1423,7 @@ sd_spinup_disk(struct scsi_disk *sdkp)
/*
* Determine whether disk supports Data Integrity Field.
*/
void sd_read_protection_type(struct scsi_disk *sdkp, unsigned char *buffer)
static void sd_read_protection_type(struct scsi_disk *sdkp, unsigned char *buffer)
{
struct scsi_device *sdp = sdkp->device;
u8 type;
@ -1969,7 +1969,7 @@ defaults:
* The ATO bit indicates whether the DIF application tag is available
* for use by the operating system.
*/
void sd_read_app_tag_own(struct scsi_disk *sdkp, unsigned char *buffer)
static void sd_read_app_tag_own(struct scsi_disk *sdkp, unsigned char *buffer)
{
int res, offset;
struct scsi_device *sdp = sdkp->device;
@ -2315,7 +2315,7 @@ static int sd_probe(struct device *dev)
struct scsi_device *sdp = to_scsi_device(dev);
struct scsi_disk *sdkp;
struct gendisk *gd;
u32 index;
int index;
int error;
error = -ENODEV;