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Subject[PATCH] compiler warning cleanup

This patch corrects the following gcc warning in several places:

warning: control reaches end of non-void function

It does this by adding harmless "return 0", or "return NULL", after
the use of BUG().

My first kernel submission, be gentle with me ;)

Signed-off-by: Steve Kemp <steve@steve.org.uk>

---


diff --ignore-space-change -uprN -X linux-2.6.27.orig/Documentation/dontdiff linux-2.6.27.orig/arch/x86/kernel/genx2apic_uv_x.c linux-2.6.27/arch/x86/kernel/genx2apic_uv_x.c
--- linux-2.6.27.orig/arch/x86/kernel/genx2apic_uv_x.c 2008-10-09 23:13:53.000000000 +0100
+++ linux-2.6.27/arch/x86/kernel/genx2apic_uv_x.c 2008-10-15 22:25:23.000000000 +0100
@@ -181,6 +181,7 @@ static __init int boot_pnode_to_blade(in
if (pnode == uv_blade_info[blade].pnode)
return blade;
BUG();
+ return 0;
}

struct redir_addr {
diff --ignore-space-change -uprN -X linux-2.6.27.orig/Documentation/dontdiff linux-2.6.27.orig/block/cfq-iosched.c linux-2.6.27/block/cfq-iosched.c
--- linux-2.6.27.orig/block/cfq-iosched.c 2008-10-09 23:13:53.000000000 +0100
+++ linux-2.6.27/block/cfq-iosched.c 2008-10-15 22:25:39.000000000 +0100
@@ -1497,6 +1497,7 @@ cfq_async_queue_prio(struct cfq_data *cf
return &cfqd->async_idle_cfqq;
default:
BUG();
+ return NULL;
}
}

diff --ignore-space-change -uprN -X linux-2.6.27.orig/Documentation/dontdiff linux-2.6.27.orig/drivers/hwmon/adt7473.c linux-2.6.27/drivers/hwmon/adt7473.c
--- linux-2.6.27.orig/drivers/hwmon/adt7473.c 2008-10-09 23:13:53.000000000 +0100
+++ linux-2.6.27/drivers/hwmon/adt7473.c 2008-10-15 22:25:54.000000000 +0100
@@ -805,6 +805,7 @@ static ssize_t show_pwm_auto_temp(struct
}
/* shouldn't ever get here */
BUG();
+ return NULL;
}

static ssize_t set_pwm_auto_temp(struct device *dev,
diff --ignore-space-change -uprN -X linux-2.6.27.orig/Documentation/dontdiff linux-2.6.27.orig/drivers/hwmon/i5k_amb.c linux-2.6.27/drivers/hwmon/i5k_amb.c
--- linux-2.6.27.orig/drivers/hwmon/i5k_amb.c 2008-10-09 23:13:53.000000000 +0100
+++ linux-2.6.27/drivers/hwmon/i5k_amb.c 2008-10-15 22:26:07.000000000 +0100
@@ -481,6 +481,7 @@ static unsigned long i5k_channel_pci_id(
return PCI_DEVICE_ID_INTEL_5400_FBD0 + channel;
default:
BUG();
+ return 0;
}
}

diff --ignore-space-change -uprN -X linux-2.6.27.orig/Documentation/dontdiff linux-2.6.27.orig/drivers/memstick/core/mspro_block.c linux-2.6.27/drivers/memstick/core/mspro_block.c
--- linux-2.6.27.orig/drivers/memstick/core/mspro_block.c 2008-10-09 23:13:53.000000000 +0100
+++ linux-2.6.27/drivers/memstick/core/mspro_block.c 2008-10-15 22:26:25.000000000 +0100
@@ -653,6 +653,7 @@ has_int_reg:

default:
BUG();
+ return 0;
}
}

diff --ignore-space-change -uprN -X linux-2.6.27.orig/Documentation/dontdiff linux-2.6.27.orig/fs/dcache.c linux-2.6.27/fs/dcache.c
--- linux-2.6.27.orig/fs/dcache.c 2008-10-09 23:13:53.000000000 +0100
+++ linux-2.6.27/fs/dcache.c 2008-10-15 22:26:42.000000000 +0100
@@ -1874,6 +1874,7 @@ out_nolock:
shouldnt_be_hashed:
spin_unlock(&dcache_lock);
BUG();
+ return NULL;
}

static int prepend(char **buffer, int *buflen, const char *str, int namelen)
diff --ignore-space-change -uprN -X linux-2.6.27.orig/Documentation/dontdiff linux-2.6.27.orig/mm/bootmem.c linux-2.6.27/mm/bootmem.c
--- linux-2.6.27.orig/mm/bootmem.c 2008-10-09 23:13:53.000000000 +0100
+++ linux-2.6.27/mm/bootmem.c 2008-10-15 22:26:57.000000000 +0100
@@ -318,6 +318,7 @@ static int __init mark_bootmem(unsigned
pos = bdata->node_low_pfn;
}
BUG();
+ return 0;
}

/**
diff --ignore-space-change -uprN -X linux-2.6.27.orig/Documentation/dontdiff linux-2.6.27.orig/mm/mempolicy.c linux-2.6.27/mm/mempolicy.c
--- linux-2.6.27.orig/mm/mempolicy.c 2008-10-09 23:13:53.000000000 +0100
+++ linux-2.6.27/mm/mempolicy.c 2008-10-15 22:27:13.000000000 +0100
@@ -1410,6 +1410,7 @@ unsigned slab_node(struct mempolicy *pol

default:
BUG();
+ return 0;
}
}

diff --ignore-space-change -uprN -X linux-2.6.27.orig/Documentation/dontdiff linux-2.6.27.orig/net/rfkill/rfkill.c linux-2.6.27/net/rfkill/rfkill.c
--- linux-2.6.27.orig/net/rfkill/rfkill.c 2008-10-09 23:13:53.000000000 +0100
+++ linux-2.6.27/net/rfkill/rfkill.c 2008-10-15 22:27:28.000000000 +0100
@@ -325,6 +325,7 @@ static const char *rfkill_get_type_str(e
return "wwan";
default:
BUG();
+ return NULL;
}
}



Steve
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http://mail-scanning.com/



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