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dtc: Simplify error handling for unparseable input

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Currently, main() tests if it got a valid input tree from whichever
dt_from_*() function it invoked and if not, die()s.  For one thing,
this test has, for no good reason, three different ways for those
functions to communicate a failure to provide input (bi NULL, bi->dt
NULL, or bi->error non-zero).  For another, in every case save one, if
the dt_from_*() functions are unable to provide input they will
immediately die() (with a more specific error message) rather than
proceeding to the test in main().

Therefore, this patch removes this test, making the one case that
could have triggered it (in dt_from_source()) call die() directly
instead.  With this change, the error field in struct boot_info is now
unused, so remove it.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Gibson 2008-05-16 13:21:51 +10:00 • committed by Jon Loeliger
parent 1577696b6d
commit 35aa1a273b
4 changed files with 4 additions and 7 deletions
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dtc.h
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@ -232,7 +232,6 @@ struct reserve_info *add_reserve_entry(struct reserve_info *list,
struct boot_info {
struct reserve_info *reservelist;
struct node *dt; /* the device tree */
int error;
};
struct boot_info *build_boot_info(struct reserve_info *reservelist,