Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha-2.6:
  alpha: Fixup last users of irq_chip->typename
  Alpha: Rearrange thread info flags fixing two regressions
  arch/alpha/kernel: Add kmalloc NULL tests
  arch/alpha/kernel/sys_ruffian.c: Use DIV_ROUND_CLOSEST

24 files changed, 43 insertions, 36 deletions

diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h
index 815680b585ed..b3e888638bb7 100644
--- a/arch/alpha/include/asm/thread_info.h
+++ b/arch/alpha/include/asm/thread_info.h
@@ -61,21 +61,24 @@ register struct thread_info *__current_thread_info __asm__("$8");
 /*
  * Thread information flags:
  * - these are process state flags and used from assembly
- * - pending work-to-be-done flags come first to fit in and immediate operand.
+ * - pending work-to-be-done flags come first and must be assigned to be
+ *   within bits 0 to 7 to fit in and immediate operand.
+ * - ALPHA_UAC_SHIFT below must be kept consistent with the unaligned
+ *   control flags.
  *
  * TIF_SYSCALL_TRACE is known to be 0 via blbs.
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_SIGPENDING          1       /* signal pending */
-#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG      3       /* poll_idle is polling NEED_RESCHED */
-#define TIF_DIE_IF_KERNEL       4       /* dik recursion lock */
-#define TIF_UAC_NOPRINT         5       /* see sysinfo.h */
-#define TIF_UAC_NOFIX           6
-#define TIF_UAC_SIGBUS          7
-#define TIF_MEMDIE              8
-#define TIF_RESTORE_SIGMASK     9       /* restore signal mask in do_signal */
-#define TIF_NOTIFY_RESUME       10      /* callback before returning to user */
+#define TIF_NOTIFY_RESUME       1       /* callback before returning to user */
+#define TIF_SIGPENDING          2       /* signal pending */
+#define TIF_NEED_RESCHED        3       /* rescheduling necessary */
+#define TIF_POLLING_NRFLAG      8       /* poll_idle is polling NEED_RESCHED */
+#define TIF_DIE_IF_KERNEL       9       /* dik recursion lock */
+#define TIF_UAC_NOPRINT         10      /* see sysinfo.h */
+#define TIF_UAC_NOFIX           11
+#define TIF_UAC_SIGBUS          12
+#define TIF_MEMDIE              13
+#define TIF_RESTORE_SIGMASK     14      /* restore signal mask in do_signal */
 #define TIF_FREEZE              16      /* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE      (1<<TIF_SYSCALL_TRACE)
@@ -94,7 +97,7 @@ register struct thread_info *__current_thread_info __asm__("$8");
 #define _TIF_ALLWORK_MASK       (_TIF_WORK_MASK         \
                                  | _TIF_SYSCALL_TRACE)
 
-#define ALPHA_UAC_SHIFT         6
+#define ALPHA_UAC_SHIFT         10
 #define ALPHA_UAC_MASK          (1 << TIF_UAC_NOPRINT | 1 << TIF_UAC_NOFIX | \
                                  1 << TIF_UAC_SIGBUS)
 
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index 8e059e58b0ac..53dd2f1a53aa 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -1103,6 +1103,8 @@ marvel_agp_info(void)
          * Allocate the info structure.
          */
         agp = kmalloc(sizeof(*agp), GFP_KERNEL);
+        if (!agp)
+                return NULL;
 
         /*
          * Fill it in.
diff --git a/arch/alpha/kernel/core_titan.c b/arch/alpha/kernel/core_titan.c
index 76686497b1e2..219bf271c0ba 100644
--- a/arch/alpha/kernel/core_titan.c
+++ b/arch/alpha/kernel/core_titan.c
@@ -757,6 +757,8 @@ titan_agp_info(void)
          * Allocate the info structure.
          */
         agp = kmalloc(sizeof(*agp), GFP_KERNEL);
+        if (!agp)
+                return NULL;
 
         /*
          * Fill it in.
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index cc7834661427..c0de072b8305 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -92,7 +92,7 @@ show_interrupts(struct seq_file *p, void *v)
                 for_each_online_cpu(j)
                         seq_printf(p, "%10u ", kstat_irqs_cpu(irq, j));
 #endif
-                seq_printf(p, " %14s", irq_desc[irq].chip->typename);
+                seq_printf(p, " %14s", irq_desc[irq].chip->name);
                 seq_printf(p, "  %c%s",
                         (action->flags & IRQF_DISABLED)?'+':' ',
                         action->name);
diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c
index 38c805dfc544..cfde865b78e0 100644
--- a/arch/alpha/kernel/irq_alpha.c
+++ b/arch/alpha/kernel/irq_alpha.c
@@ -228,7 +228,7 @@ struct irqaction timer_irqaction = {
 };
 
 static struct irq_chip rtc_irq_type = {
-        .typename       = "RTC",
+        .name           = "RTC",
         .startup        = rtc_startup,
         .shutdown       = rtc_enable_disable,
         .enable         = rtc_enable_disable,
diff --git a/arch/alpha/kernel/irq_i8259.c b/arch/alpha/kernel/irq_i8259.c
index 50bfec9b588f..83a9ac280890 100644
--- a/arch/alpha/kernel/irq_i8259.c
+++ b/arch/alpha/kernel/irq_i8259.c
@@ -84,7 +84,7 @@ i8259a_end_irq(unsigned int irq)
 }
 
 struct irq_chip i8259a_irq_type = {
-        .typename       = "XT-PIC",
+        .name           = "XT-PIC",
         .startup        = i8259a_startup_irq,
         .shutdown       = i8259a_disable_irq,
         .enable         = i8259a_enable_irq,
diff --git a/arch/alpha/kernel/irq_pyxis.c b/arch/alpha/kernel/irq_pyxis.c
index 69199a76ec4a..989ce46a0cf3 100644
--- a/arch/alpha/kernel/irq_pyxis.c
+++ b/arch/alpha/kernel/irq_pyxis.c
@@ -71,7 +71,7 @@ pyxis_mask_and_ack_irq(unsigned int irq)
 }
 
 static struct irq_chip pyxis_irq_type = {
-        .typename       = "PYXIS",
+        .name           = "PYXIS",
         .startup        = pyxis_startup_irq,
         .shutdown       = pyxis_disable_irq,
         .enable         = pyxis_enable_irq,
diff --git a/arch/alpha/kernel/irq_srm.c b/arch/alpha/kernel/irq_srm.c
index 85229369a1f8..d63e93e1e8bf 100644
--- a/arch/alpha/kernel/irq_srm.c
+++ b/arch/alpha/kernel/irq_srm.c
@@ -49,7 +49,7 @@ srm_end_irq(unsigned int irq)
 
 /* Handle interrupts from the SRM, assuming no additional weirdness.  */
 static struct irq_chip srm_irq_type = {
-        .typename       = "SRM",
+        .name           = "SRM",
         .startup        = srm_startup_irq,
         .shutdown       = srm_disable_irq,
         .enable         = srm_enable_irq,
diff --git a/arch/alpha/kernel/sys_alcor.c b/arch/alpha/kernel/sys_alcor.c
index 382035ef7394..20a30b8b9655 100644
--- a/arch/alpha/kernel/sys_alcor.c
+++ b/arch/alpha/kernel/sys_alcor.c
@@ -90,7 +90,7 @@ alcor_end_irq(unsigned int irq)
 }
 
 static struct irq_chip alcor_irq_type = {
-        .typename       = "ALCOR",
+        .name           = "ALCOR",
         .startup        = alcor_startup_irq,
         .shutdown       = alcor_disable_irq,
         .enable         = alcor_enable_irq,
diff --git a/arch/alpha/kernel/sys_cabriolet.c b/arch/alpha/kernel/sys_cabriolet.c
index ed349436732b..affd0f3f25df 100644
--- a/arch/alpha/kernel/sys_cabriolet.c
+++ b/arch/alpha/kernel/sys_cabriolet.c
@@ -72,7 +72,7 @@ cabriolet_end_irq(unsigned int irq)
 }
 
 static struct irq_chip cabriolet_irq_type = {
-        .typename       = "CABRIOLET",
+        .name           = "CABRIOLET",
         .startup        = cabriolet_startup_irq,
         .shutdown       = cabriolet_disable_irq,
         .enable         = cabriolet_enable_irq,
diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c
index 46e70ece5176..d64e1e497e76 100644
--- a/arch/alpha/kernel/sys_dp264.c
+++ b/arch/alpha/kernel/sys_dp264.c
@@ -199,7 +199,7 @@ clipper_set_affinity(unsigned int irq, const struct cpumask *affinity)
 }
 
 static struct irq_chip dp264_irq_type = {
-        .typename       = "DP264",
+        .name           = "DP264",
         .startup        = dp264_startup_irq,
         .shutdown       = dp264_disable_irq,
         .enable         = dp264_enable_irq,
@@ -210,7 +210,7 @@ static struct irq_chip dp264_irq_type = {
 };
 
 static struct irq_chip clipper_irq_type = {
-        .typename       = "CLIPPER",
+        .name           = "CLIPPER",
         .startup        = clipper_startup_irq,
         .shutdown       = clipper_disable_irq,
         .enable         = clipper_enable_irq,
diff --git a/arch/alpha/kernel/sys_eb64p.c b/arch/alpha/kernel/sys_eb64p.c
index 660c23ef661f..df2090ce5e7f 100644
--- a/arch/alpha/kernel/sys_eb64p.c
+++ b/arch/alpha/kernel/sys_eb64p.c
@@ -70,7 +70,7 @@ eb64p_end_irq(unsigned int irq)
 }
 
 static struct irq_chip eb64p_irq_type = {
-        .typename       = "EB64P",
+        .name           = "EB64P",
         .startup        = eb64p_startup_irq,
         .shutdown       = eb64p_disable_irq,
         .enable         = eb64p_enable_irq,
diff --git a/arch/alpha/kernel/sys_eiger.c b/arch/alpha/kernel/sys_eiger.c
index b99ea488d844..3ca1dbcf4044 100644
--- a/arch/alpha/kernel/sys_eiger.c
+++ b/arch/alpha/kernel/sys_eiger.c
@@ -81,7 +81,7 @@ eiger_end_irq(unsigned int irq)
 }
 
 static struct irq_chip eiger_irq_type = {
-        .typename       = "EIGER",
+        .name           = "EIGER",
         .startup        = eiger_startup_irq,
         .shutdown       = eiger_disable_irq,
         .enable         = eiger_enable_irq,
diff --git a/arch/alpha/kernel/sys_jensen.c b/arch/alpha/kernel/sys_jensen.c
index ef0b83a070ac..7a7ae36fff91 100644
--- a/arch/alpha/kernel/sys_jensen.c
+++ b/arch/alpha/kernel/sys_jensen.c
@@ -119,7 +119,7 @@ jensen_local_end(unsigned int irq)
 }
 
 static struct irq_chip jensen_local_irq_type = {
-        .typename       = "LOCAL",
+        .name           = "LOCAL",
         .startup        = jensen_local_startup,
         .shutdown       = jensen_local_shutdown,
         .enable         = jensen_local_enable,
diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c
index bbfc4f20ca72..0bb3b5c4f693 100644
--- a/arch/alpha/kernel/sys_marvel.c
+++ b/arch/alpha/kernel/sys_marvel.c
@@ -170,7 +170,7 @@ marvel_irq_noop_return(unsigned int irq)
 }
 
 static struct irq_chip marvel_legacy_irq_type = {
-        .typename       = "LEGACY",
+        .name           = "LEGACY",
         .startup        = marvel_irq_noop_return,
         .shutdown       = marvel_irq_noop,
         .enable         = marvel_irq_noop,
@@ -180,7 +180,7 @@ static struct irq_chip marvel_legacy_irq_type = {
 };
 
 static struct irq_chip io7_lsi_irq_type = {
-        .typename       = "LSI",
+        .name           = "LSI",
         .startup        = io7_startup_irq,
         .shutdown       = io7_disable_irq,
         .enable         = io7_enable_irq,
@@ -190,7 +190,7 @@ static struct irq_chip io7_lsi_irq_type = {
 };
 
 static struct irq_chip io7_msi_irq_type = {
-        .typename       = "MSI",
+        .name           = "MSI",
         .startup        = io7_startup_irq,
         .shutdown       = io7_disable_irq,
         .enable         = io7_enable_irq,
diff --git a/arch/alpha/kernel/sys_mikasa.c b/arch/alpha/kernel/sys_mikasa.c
index 4e366641a08e..ee8865169811 100644
--- a/arch/alpha/kernel/sys_mikasa.c
+++ b/arch/alpha/kernel/sys_mikasa.c
@@ -69,7 +69,7 @@ mikasa_end_irq(unsigned int irq)
 }
 
 static struct irq_chip mikasa_irq_type = {
-        .typename       = "MIKASA",
+        .name           = "MIKASA",
         .startup        = mikasa_startup_irq,
         .shutdown       = mikasa_disable_irq,
         .enable         = mikasa_enable_irq,
diff --git a/arch/alpha/kernel/sys_noritake.c b/arch/alpha/kernel/sys_noritake.c
index 35753a173bac..86503fe73a88 100644
--- a/arch/alpha/kernel/sys_noritake.c
+++ b/arch/alpha/kernel/sys_noritake.c
@@ -74,7 +74,7 @@ noritake_end_irq(unsigned int irq)
 }
 
 static struct irq_chip noritake_irq_type = {
-        .typename       = "NORITAKE",
+        .name           = "NORITAKE",
         .startup        = noritake_startup_irq,
         .shutdown       = noritake_disable_irq,
         .enable         = noritake_enable_irq,
diff --git a/arch/alpha/kernel/sys_rawhide.c b/arch/alpha/kernel/sys_rawhide.c
index f3aec7e085c8..26c322bf89ee 100644
--- a/arch/alpha/kernel/sys_rawhide.c
+++ b/arch/alpha/kernel/sys_rawhide.c
@@ -136,7 +136,7 @@ rawhide_end_irq(unsigned int irq)
 }
 
 static struct irq_chip rawhide_irq_type = {
-        .typename       = "RAWHIDE",
+        .name           = "RAWHIDE",
         .startup        = rawhide_startup_irq,
         .shutdown       = rawhide_disable_irq,
         .enable         = rawhide_enable_irq,
diff --git a/arch/alpha/kernel/sys_ruffian.c b/arch/alpha/kernel/sys_ruffian.c
index d9f9cfeb9931..8de1046fe91e 100644
--- a/arch/alpha/kernel/sys_ruffian.c
+++ b/arch/alpha/kernel/sys_ruffian.c
@@ -66,7 +66,7 @@ ruffian_init_irq(void)
         common_init_isa_dma();
 }
 
-#define RUFFIAN_LATCH   ((PIT_TICK_RATE + HZ / 2) / HZ)
+#define RUFFIAN_LATCH   DIV_ROUND_CLOSEST(PIT_TICK_RATE, HZ)
 
 static void __init
 ruffian_init_rtc(void)
diff --git a/arch/alpha/kernel/sys_rx164.c b/arch/alpha/kernel/sys_rx164.c
index fc9246373452..be161129eab9 100644
--- a/arch/alpha/kernel/sys_rx164.c
+++ b/arch/alpha/kernel/sys_rx164.c
@@ -73,7 +73,7 @@ rx164_end_irq(unsigned int irq)
 }
 
 static struct irq_chip rx164_irq_type = {
-        .typename       = "RX164",
+        .name           = "RX164",
         .startup        = rx164_startup_irq,
         .shutdown       = rx164_disable_irq,
         .enable         = rx164_enable_irq,
diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c
index 426eb6906d01..b2abe27a23cf 100644
--- a/arch/alpha/kernel/sys_sable.c
+++ b/arch/alpha/kernel/sys_sable.c
@@ -502,7 +502,7 @@ sable_lynx_mask_and_ack_irq(unsigned int irq)
 }
 
 static struct irq_chip sable_lynx_irq_type = {
-        .typename       = "SABLE/LYNX",
+        .name           = "SABLE/LYNX",
         .startup        = sable_lynx_startup_irq,
         .shutdown       = sable_lynx_disable_irq,
         .enable         = sable_lynx_enable_irq,
diff --git a/arch/alpha/kernel/sys_takara.c b/arch/alpha/kernel/sys_takara.c
index 830318c21661..230464885b5c 100644
--- a/arch/alpha/kernel/sys_takara.c
+++ b/arch/alpha/kernel/sys_takara.c
@@ -75,7 +75,7 @@ takara_end_irq(unsigned int irq)
 }
 
 static struct irq_chip takara_irq_type = {
-        .typename       = "TAKARA",
+        .name           = "TAKARA",
         .startup        = takara_startup_irq,
         .shutdown       = takara_disable_irq,
         .enable         = takara_enable_irq,
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index 88978fc60f83..288053342c83 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -195,7 +195,7 @@ init_titan_irqs(struct irq_chip * ops, int imin, int imax)
 }
 
 static struct irq_chip titan_irq_type = {
-       .typename       = "TITAN",
+       .name           = "TITAN",
        .startup        = titan_startup_irq,
        .shutdown       = titan_disable_irq,
        .enable         = titan_enable_irq,
diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c
index e91b4c3838a8..62fd972e18ef 100644
--- a/arch/alpha/kernel/sys_wildfire.c
+++ b/arch/alpha/kernel/sys_wildfire.c
@@ -158,7 +158,7 @@ wildfire_end_irq(unsigned int irq)
 }
 
 static struct irq_chip wildfire_irq_type = {
-        .typename       = "WILDFIRE",
+        .name           = "WILDFIRE",
         .startup        = wildfire_startup_irq,
         .shutdown       = wildfire_disable_irq,
         .enable         = wildfire_enable_irq,