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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc

Browse source 
Pull sparc changes from David Miller:
 "Several bug fixes (from Kirill Tkhai, Geery Uytterhoeven, and Alexey
  Dobriyan) and some support for Fujitsu sparc64x chips (from Allen
  Pais)"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Export flush_ptrace_access() (needed by lustre)
  sparc: fix PCI device proc file mmap(2)
  sparc64: Remove RWSEM export leftovers
  sparc64: Fix off by one in trampoline TLB mapping installation loop.
  sparc64: Fix ITLB handler of null page
  esp_scsi: Fix tag state corruption when autosensing.
  sparc64: Fix not SRA'ed %o5 in 32-bit traced syscall
  sparc64: cleanup: Rename ret_from_syscall to ret_from_fork
  sparc32: Fix exit flag passed from traced sys_sigreturn
  sparc64: Fix wrong syscall return value passed to trace_sys_exit()
  support sparc64x chip type in cpumap.c
  cpu hw caps support for sparc64x
This commit is contained in:
Linus Torvalds 2013-09-05 15:28:17 -07:00
commit b14662cae0
13 changed files with 49 additions and 35 deletions
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14
drivers/scsi/esp_scsi.c
View file

@ -530,7 +530,7 @@ static int esp_need_to_nego_sync(struct esp_target_data *tp)
static int esp_alloc_lun_tag(struct esp_cmd_entry *ent,
struct esp_lun_data *lp)
{
if (!ent->tag[0]) {
if (!ent->orig_tag[0]) {
/* Non-tagged, slot already taken? */
if (lp->non_tagged_cmd)
return -EBUSY;
@ -564,9 +564,9 @@ static int esp_alloc_lun_tag(struct esp_cmd_entry *ent,
return -EBUSY;
}
BUG_ON(lp->tagged_cmds[ent->tag[1]]);
BUG_ON(lp->tagged_cmds[ent->orig_tag[1]]);
lp->tagged_cmds[ent->tag[1]] = ent;
lp->tagged_cmds[ent->orig_tag[1]] = ent;
lp->num_tagged++;
return 0;
@ -575,9 +575,9 @@ static int esp_alloc_lun_tag(struct esp_cmd_entry *ent,
static void esp_free_lun_tag(struct esp_cmd_entry *ent,
struct esp_lun_data *lp)
{
if (ent->tag[0]) {
BUG_ON(lp->tagged_cmds[ent->tag[1]] != ent);
lp->tagged_cmds[ent->tag[1]] = NULL;
if (ent->orig_tag[0]) {
BUG_ON(lp->tagged_cmds[ent->orig_tag[1]] != ent);
lp->tagged_cmds[ent->orig_tag[1]] = NULL;
lp->num_tagged--;
} else {
BUG_ON(lp->non_tagged_cmd != ent);
@ -667,6 +667,8 @@ static struct esp_cmd_entry *find_and_prep_issuable_command(struct esp *esp)
ent->tag[0] = 0;
ent->tag[1] = 0;
}
ent->orig_tag[0] = ent->tag[0];
ent->orig_tag[1] = ent->tag[1];
if (esp_alloc_lun_tag(ent, lp) < 0)
continue;

1
drivers/scsi/esp_scsi.h
View file

@ -271,6 +271,7 @@ struct esp_cmd_entry {
#define ESP_CMD_FLAG_AUTOSENSE 0x04 /* Doing automatic REQUEST_SENSE */
u8 tag[2];
u8 orig_tag[2];
u8 status;
u8 message;