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exit(2) on /dev/mem open() failure and exit(3) on mmap() failure

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Corresponding to flashrom svn r401 and coreboot v2 svn r3907.

Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Ward Vandewege <ward@gnu.org>
This commit is contained in:
Peter Stuge 2009-01-26 02:04:19 +00:00
parent 33fefcad5c
commit 43438ba7d1
1 changed files with 2 additions and 2 deletions
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4
physmap.c
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@ -57,7 +57,7 @@ void *sys_physmap(unsigned long phys_addr, size_t len)
/* Open the memory device UNCACHED. Important for MMIO. */ /* Open the memory device UNCACHED. Important for MMIO. */
if (-1 == (fd_mem = open(MEM_DEV, O_RDWR|O_SYNC))) { if (-1 == (fd_mem = open(MEM_DEV, O_RDWR|O_SYNC))) {
perror("Critical error: open(" MEM_DEV ")"); perror("Critical error: open(" MEM_DEV ")");
exit(1); exit(2);
} }
} }
@ -87,7 +87,7 @@ void *physmap(const char *descr, unsigned long phys_addr, size_t len)
fprintf(stderr, "You can override CONFIG_X86_PAT at boot with the nopat kernel parameter but\n"); fprintf(stderr, "You can override CONFIG_X86_PAT at boot with the nopat kernel parameter but\n");
fprintf(stderr, "disabling the other option unfortunately requires a kernel recompile. Sorry!\n"); fprintf(stderr, "disabling the other option unfortunately requires a kernel recompile. Sorry!\n");
} }
exit(1); exit(3);
} }
return virt_addr; return virt_addr;