From: H Hartley Sweeten <hartleys@xxxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxx>
Cc: James E.J. Bottomley <James.Bottomley@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/sd.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff -puN drivers/scsi/sd.c~scsi-sdc-quiet-all-sparse-noise drivers/scsi/sd.c
--- a/drivers/scsi/sd.c~scsi-sdc-quiet-all-sparse-noise
+++ a/drivers/scsi/sd.c
@@ -117,8 +117,8 @@ 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",
@@ -145,7 +145,7 @@ sd_store_cache_type(struct device *dev,
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;
@@ -1373,7 +1373,7 @@ 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;
@@ -1919,7 +1919,7 @@ 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;
@@ -2244,7 +2244,7 @@ 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;
_
--
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