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Patch fixing sparse warnings related to digest calculation

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Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1881 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2010-07-27 18:34:07 +00:00
parent 803a312144
commit ecaabfc08c
2 changed files with 10 additions and 9 deletions
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15
iscsi-scst/kernel/digest.c
View File

@@ -57,7 +57,7 @@ int digest_init(struct iscsi_conn *conn)
return 0;
}
static u32 evaluate_crc32_from_sg(struct scatterlist *sg, int nbytes,
static __be32 evaluate_crc32_from_sg(struct scatterlist *sg, int nbytes,
uint32_t padding)
{
u32 crc = ~0;
@@ -82,10 +82,10 @@ static u32 evaluate_crc32_from_sg(struct scatterlist *sg, int nbytes,
crc = crc32c(crc, (u8 *)&padding, pad_bytes);
#endif
return ~cpu_to_le32(crc);
return (__force __be32)~cpu_to_le32(crc);
}
static u32 digest_header(struct iscsi_pdu *pdu)
static __be32 digest_header(struct iscsi_pdu *pdu)
{
struct scatterlist sg[2];
unsigned int nbytes = sizeof(struct iscsi_hdr);
@@ -102,13 +102,13 @@ static u32 digest_header(struct iscsi_pdu *pdu)
return evaluate_crc32_from_sg(sg, nbytes, 0);
}
static u32 digest_data(struct iscsi_cmnd *cmd, u32 size, u32 offset,
static __be32 digest_data(struct iscsi_cmnd *cmd, u32 size, u32 offset,
uint32_t padding)
{
struct scatterlist *sg = cmd->sg;
int idx, count;
struct scatterlist saved_sg;
u32 crc;
__be32 crc;
offset += sg[0].offset;
idx = offset >> PAGE_SHIFT;
@@ -132,7 +132,7 @@ static u32 digest_data(struct iscsi_cmnd *cmd, u32 size, u32 offset,
int digest_rx_header(struct iscsi_cmnd *cmnd)
{
u32 crc;
__be32 crc;
crc = digest_header(&cmnd->pdu);
if (unlikely(crc != cmnd->hdigest)) {
@@ -154,7 +154,8 @@ int digest_rx_data(struct iscsi_cmnd *cmnd)
{
struct iscsi_cmnd *req;
struct iscsi_data_out_hdr *req_hdr;
u32 offset, crc;
u32 offset;
__be32 crc;
int res = 0;
switch (cmnd_opcode(cmnd)) {

4
iscsi-scst/kernel/iscsi.h
View File

@@ -444,8 +444,8 @@ struct iscsi_cmnd {
unsigned int r2t_len_to_send;
unsigned int outstanding_r2t;
u32 target_task_tag;
u32 hdigest;
u32 ddigest;
__be32 hdigest;
__be32 ddigest;
struct list_head cmd_list_entry;
struct list_head nop_req_list_entry;