diff options
| author |   Joerg Roedel <joerg.roedel@amd.com> | 2012-02-24 13:58:15 +0100 |
|---|---|---|
| committer |   H. Peter Anvin <hpa@linux.intel.com> | 2012-02-24 10:39:27 -0800 |
| commit | b893485db994b17402524d3d700b950294cb6c97 (patch) | |
| tree | fd0c4d145f2cac9bff903ac5ff9ac6f26d759982 /include/asm-generic/getorder.h | |
| parent | bitops: Optimise get_order() (diff) | |
| download | wireguard-linux-b893485db994b17402524d3d700b950294cb6c97.tar.xz wireguard-linux-b893485db994b17402524d3d700b950294cb6c97.zip | |
bitops: Add missing parentheses to new get_order macro
The new get_order macro introcuded in commit
d66acc39c7cee323733c8503b9de1821a56dff7e
does not use parentheses around all uses of the parameter n.
This causes new compile warnings, for example in the
amd_iommu_init.c function:
drivers/iommu/amd_iommu_init.c:561:6: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]
drivers/iommu/amd_iommu_init.c:561:6: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]
Fix those warnings by adding the missing parentheses.
Reported-by: Ingo Molnar <mingo@elte.hu>
Cc: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Link: http://lkml.kernel.org/r/1330088295-28732-1-git-send-email-joerg.roedel@amd.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'include/asm-generic/getorder.h')
| -rw-r--r-- | include/asm-generic/getorder.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-generic/getorder.h b/include/asm-generic/getorder.h index e0fb4bf9f160..65e4468ac53d 100644 --- a/include/asm-generic/getorder.h +++ b/include/asm-generic/getorder.h @@ -49,8 +49,8 @@ int __get_order(unsigned long size) #define get_order(n) \ ( \ __builtin_constant_p(n) ? ( \ - (n == 0UL) ? BITS_PER_LONG - PAGE_SHIFT : \ - ((n < (1UL << PAGE_SHIFT)) ? 0 : \ + ((n) == 0UL) ? BITS_PER_LONG - PAGE_SHIFT : \ + (((n) < (1UL << PAGE_SHIFT)) ? 0 : \ ilog2((n) - 1) - PAGE_SHIFT + 1) \ ) : \ __get_order(n) \ |