tree: git://git.cmpxchg.org/linux-mmotm.git master
head: df25ba7db0775d87018e2cd92f26b9b087093840
commit: 99c369839f847d2cc4b8e759a9c57c925592efa2 [141/230] include/linux/kernel.h: rewrite min3, max3 and clamp using min and max
config: make ARCH=x86_64 allmodconfig
All warnings:
drivers/net/ethernet/intel/i40e/i40e_debugfs.c:1901:25: sparse: incompatible types in comparison expression (different type sizes)
In file included from arch/x86/include/asm/percpu.h:44:0,
from arch/x86/include/asm/preempt.h:5,
from include/linux/preempt.h:18,
from include/linux/spinlock.h:50,
from include/linux/wait.h:8,
from include/linux/fs.h:6,
from drivers/net/ethernet/intel/i40e/i40e_debugfs.c:29:
drivers/net/ethernet/intel/i40e/i40e_debugfs.c: In function 'i40e_dbg_command_write':
include/linux/kernel.h:713:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
(void) (&_min1 == &_min2); \
^
>> include/linux/kernel.h:744:28: note: in expansion of macro 'min'
#define clamp(val, lo, hi) min(max(val, lo), hi)
^
>> drivers/net/ethernet/intel/i40e/i40e_debugfs.c:1901:11: note: in expansion of macro 'clamp'
bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
^
--
drivers/net/wireless/rtlwifi/rtl8723ae/dm.c:269:21: sparse: incompatible types in comparison expression (different type sizes)
In file included from include/linux/sched.h:17:0,
from drivers/net/wireless/rtlwifi/rtl8723ae/../wifi.h:35,
from drivers/net/wireless/rtlwifi/rtl8723ae/dm.c:31:
drivers/net/wireless/rtlwifi/rtl8723ae/dm.c: In function 'rtl92c_dm_ctrl_initgain_by_fa':
include/linux/kernel.h:713:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
(void) (&_min1 == &_min2); \
^
>> include/linux/kernel.h:744:28: note: in expansion of macro 'min'
#define clamp(val, lo, hi) min(max(val, lo), hi)
^
>> drivers/net/wireless/rtlwifi/rtl8723ae/dm.c:269:14: note: in expansion of macro 'clamp'
value_igi = clamp(value_igi, (u8)DM_DIG_FA_LOWER, (u8)DM_DIG_FA_UPPER);
^
--
drivers/staging/iio/impedance-analyzer/ad5933.c:241:17: sparse: incorrect type in assignment (different base types)
drivers/staging/iio/impedance-analyzer/ad5933.c:241:17: expected unsigned int [unsigned] [usertype] d32
drivers/staging/iio/impedance-analyzer/ad5933.c:241:17: got restricted __be32 [usertype] <noident>
drivers/staging/iio/impedance-analyzer/ad5933.c:263:13: sparse: incorrect type in assignment (different base types)
drivers/staging/iio/impedance-analyzer/ad5933.c:263:13: expected unsigned short [unsigned] dat
drivers/staging/iio/impedance-analyzer/ad5933.c:263:13: got restricted __be16 [usertype] <noident>
drivers/staging/iio/impedance-analyzer/ad5933.c:271:13: sparse: incorrect type in assignment (different base types)
drivers/staging/iio/impedance-analyzer/ad5933.c:271:13: expected unsigned short [unsigned] [addressable] dat
drivers/staging/iio/impedance-analyzer/ad5933.c:271:13: got restricted __be16 [usertype] <noident>
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:437:23: sparse: incompatible types in comparison expression (different type sizes)
drivers/staging/iio/impedance-analyzer/ad5933.c:451:23: sparse: incompatible types in comparison expression (different type sizes)
In file included from include/linux/interrupt.h:5:0,
from drivers/staging/iio/impedance-analyzer/ad5933.c:9:
drivers/staging/iio/impedance-analyzer/ad5933.c: In function 'ad5933_store':
include/linux/kernel.h:713:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
(void) (&_min1 == &_min2); \
^
>> include/linux/kernel.h:744:28: note: in expansion of macro 'min'
#define clamp(val, lo, hi) min(max(val, lo), hi)
^
>> drivers/staging/iio/impedance-analyzer/ad5933.c:437:9: note: in expansion of macro 'clamp'
val = clamp(val, (u16)0, (u16)0x7FF);
^
include/linux/kernel.h:713:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
(void) (&_min1 == &_min2); \
^
>> include/linux/kernel.h:744:28: note: in expansion of macro 'min'
#define clamp(val, lo, hi) min(max(val, lo), hi)
^
>> drivers/staging/iio/impedance-analyzer/ad5933.c:451:9: note: in expansion of macro 'clamp'
val = clamp(val, (u16)0, (u16)511);
^
sparse warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/intel/i40e/i40e_debugfs.c:1901:25: sparse: incompatible types in comparison expression (different type sizes)
In file included from arch/x86/include/asm/percpu.h:44:0,
from arch/x86/include/asm/preempt.h:5,
from include/linux/preempt.h:18,
from include/linux/spinlock.h:50,
from include/linux/wait.h:8,
from include/linux/fs.h:6,
from drivers/net/ethernet/intel/i40e/i40e_debugfs.c:29:
drivers/net/ethernet/intel/i40e/i40e_debugfs.c: In function 'i40e_dbg_command_write':
include/linux/kernel.h:713:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
(void) (&_min1 == &_min2); \
^
include/linux/kernel.h:744:28: note: in expansion of macro 'min'
#define clamp(val, lo, hi) min(max(val, lo), hi)
^
drivers/net/ethernet/intel/i40e/i40e_debugfs.c:1901:11: note: in expansion of macro 'clamp'
bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
^
--
>> drivers/net/wireless/rtlwifi/rtl8723ae/dm.c:269:21: sparse: incompatible types in comparison expression (different type sizes)
In file included from include/linux/sched.h:17:0,
from drivers/net/wireless/rtlwifi/rtl8723ae/../wifi.h:35,
from drivers/net/wireless/rtlwifi/rtl8723ae/dm.c:31:
drivers/net/wireless/rtlwifi/rtl8723ae/dm.c: In function 'rtl92c_dm_ctrl_initgain_by_fa':
include/linux/kernel.h:713:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
(void) (&_min1 == &_min2); \
^
include/linux/kernel.h:744:28: note: in expansion of macro 'min'
#define clamp(val, lo, hi) min(max(val, lo), hi)
^
drivers/net/wireless/rtlwifi/rtl8723ae/dm.c:269:14: note: in expansion of macro 'clamp'
value_igi = clamp(value_igi, (u8)DM_DIG_FA_LOWER, (u8)DM_DIG_FA_UPPER);
^
--
drivers/staging/iio/impedance-analyzer/ad5933.c:241:17: sparse: incorrect type in assignment (different base types)
drivers/staging/iio/impedance-analyzer/ad5933.c:241:17: expected unsigned int [unsigned] [usertype] d32
drivers/staging/iio/impedance-analyzer/ad5933.c:241:17: got restricted __be32 [usertype] <noident>
drivers/staging/iio/impedance-analyzer/ad5933.c:263:13: sparse: incorrect type in assignment (different base types)
drivers/staging/iio/impedance-analyzer/ad5933.c:263:13: expected unsigned short [unsigned] dat
drivers/staging/iio/impedance-analyzer/ad5933.c:263:13: got restricted __be16 [usertype] <noident>
drivers/staging/iio/impedance-analyzer/ad5933.c:271:13: sparse: incorrect type in assignment (different base types)
drivers/staging/iio/impedance-analyzer/ad5933.c:271:13: expected unsigned short [unsigned] [addressable] dat
drivers/staging/iio/impedance-analyzer/ad5933.c:271:13: got restricted __be16 [usertype] <noident>
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
drivers/staging/iio/impedance-analyzer/ad5933.c:310:19: sparse: cast to restricted __be32
>> drivers/staging/iio/impedance-analyzer/ad5933.c:437:23: sparse: incompatible types in comparison expression (different type sizes)
>> drivers/staging/iio/impedance-analyzer/ad5933.c:451:23: sparse: incompatible types in comparison expression (different type sizes)
In file included from include/linux/interrupt.h:5:0,
from drivers/staging/iio/impedance-analyzer/ad5933.c:9:
drivers/staging/iio/impedance-analyzer/ad5933.c: In function 'ad5933_store':
include/linux/kernel.h:713:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
(void) (&_min1 == &_min2); \
^
include/linux/kernel.h:744:28: note: in expansion of macro 'min'
#define clamp(val, lo, hi) min(max(val, lo), hi)
^
drivers/staging/iio/impedance-analyzer/ad5933.c:437:9: note: in expansion of macro 'clamp'
val = clamp(val, (u16)0, (u16)0x7FF);
^
include/linux/kernel.h:713:17: warning: comparison of distinct pointer types lacks a cast [enabled by default]
(void) (&_min1 == &_min2); \
^
include/linux/kernel.h:744:28: note: in expansion of macro 'min'
#define clamp(val, lo, hi) min(max(val, lo), hi)
^
drivers/staging/iio/impedance-analyzer/ad5933.c:451:9: note: in expansion of macro 'clamp'
val = clamp(val, (u16)0, (u16)511);
^
vim +/min +744 include/linux/kernel.h
^1da177e Linus Torvalds 2005-04-16 707 * strict type-checking.. See the
^1da177e Linus Torvalds 2005-04-16 708 * "unnecessary" pointer comparison.
^1da177e Linus Torvalds 2005-04-16 709 */
bdf4bbaa Harvey Harrison 2008-04-30 710 #define min(x, y) ({ \
bdf4bbaa Harvey Harrison 2008-04-30 711 typeof(x) _min1 = (x); \
bdf4bbaa Harvey Harrison 2008-04-30 712 typeof(y) _min2 = (y); \
bdf4bbaa Harvey Harrison 2008-04-30 @713 (void) (&_min1 == &_min2); \
bdf4bbaa Harvey Harrison 2008-04-30 714 _min1 < _min2 ? _min1 : _min2; })
bdf4bbaa Harvey Harrison 2008-04-30 715
bdf4bbaa Harvey Harrison 2008-04-30 716 #define max(x, y) ({ \
bdf4bbaa Harvey Harrison 2008-04-30 717 typeof(x) _max1 = (x); \
bdf4bbaa Harvey Harrison 2008-04-30 718 typeof(y) _max2 = (y); \
bdf4bbaa Harvey Harrison 2008-04-30 719 (void) (&_max1 == &_max2); \
bdf4bbaa Harvey Harrison 2008-04-30 720 _max1 > _max2 ? _max1 : _max2; })
bdf4bbaa Harvey Harrison 2008-04-30 721
99c36983 Michal Nazarewicz 2014-06-20 722 #define min3(x, y, z) min(min(x, y), z)
99c36983 Michal Nazarewicz 2014-06-20 723 #define max3(x, y, z) max(max(x, y), z)
f27c85c5 Hagen Paul Pfeifer 2010-10-26 724
bdf4bbaa Harvey Harrison 2008-04-30 725 /**
c8bf1336 Martin K. Petersen 2010-09-10 726 * min_not_zero - return the minimum that is _not_ zero, unless both are zero
c8bf1336 Martin K. Petersen 2010-09-10 727 * @x: value1
c8bf1336 Martin K. Petersen 2010-09-10 728 * @y: value2
c8bf1336 Martin K. Petersen 2010-09-10 729 */
c8bf1336 Martin K. Petersen 2010-09-10 730 #define min_not_zero(x, y) ({ \
c8bf1336 Martin K. Petersen 2010-09-10 731 typeof(x) __x = (x); \
c8bf1336 Martin K. Petersen 2010-09-10 732 typeof(y) __y = (y); \
c8bf1336 Martin K. Petersen 2010-09-10 733 __x == 0 ? __y : ((__y == 0) ? __x : min(__x, __y)); })
c8bf1336 Martin K. Petersen 2010-09-10 734
c8bf1336 Martin K. Petersen 2010-09-10 735 /**
bdf4bbaa Harvey Harrison 2008-04-30 736 * clamp - return a value clamped to a given range with strict typechecking
bdf4bbaa Harvey Harrison 2008-04-30 737 * @val: current value
99c36983 Michal Nazarewicz 2014-06-20 738 * @lo: lowest allowable value
99c36983 Michal Nazarewicz 2014-06-20 739 * @hi: highest allowable value
bdf4bbaa Harvey Harrison 2008-04-30 740 *
bdf4bbaa Harvey Harrison 2008-04-30 741 * This macro does strict typechecking of min/max to make sure they are of the
bdf4bbaa Harvey Harrison 2008-04-30 742 * same type as val. See the unnecessary pointer comparisons.
bdf4bbaa Harvey Harrison 2008-04-30 743 */
99c36983 Michal Nazarewicz 2014-06-20 @744 #define clamp(val, lo, hi) min(max(val, lo), hi)
^1da177e Linus Torvalds 2005-04-16 745
^1da177e Linus Torvalds 2005-04-16 746 /*
^1da177e Linus Torvalds 2005-04-16 747 * ..and if you can't take the strict
---
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