From: Rene Herman <[email protected]>
Use adding __init to romsignature() (it's only called from probe_roms()
which is itself __init) as an excuse to submit a pedantic cleanup.
Signed-off-by: Rene Herman <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
Cc: Andi Kleen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
arch/i386/kernel/e820.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
Index: linux/arch/i386/kernel/e820.c
===================================================================
--- linux.orig/arch/i386/kernel/e820.c
+++ linux/arch/i386/kernel/e820.c
@@ -157,21 +157,22 @@ static struct resource standard_io_resou
.flags = IORESOURCE_BUSY | IORESOURCE_IO
} };
-static int romsignature(const unsigned char *x)
+#define ROMSIGNATURE 0xaa55
+
+static int __init romsignature(const unsigned char *rom)
{
unsigned short sig;
- int ret = 0;
- if (probe_kernel_address((const unsigned short *)x, sig) == 0)
- ret = (sig == 0xaa55);
- return ret;
+
+ return probe_kernel_address((const unsigned short *)rom, sig) == 0 &&
+ sig == ROMSIGNATURE;
}
static int __init romchecksum(unsigned char *rom, unsigned long length)
{
- unsigned char *p, sum = 0;
+ unsigned char sum;
- for (p = rom; p < rom + length; p++)
- sum += *p;
+ for (sum = 0; length; length--)
+ sum += *rom++;
return sum == 0;
}
-
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