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author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-08 00:33:15 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-08 00:33:21 +0200 |
commit | b36cc0f88452a1c4fba64559b15bbb87c6bd4f8a (patch) | |
tree | 0ef763a265c85ad55453a828ba46f0c52c4783e2 /common | |
parent | bad4d7cd754579cfe20cba4c721b2c1269bfa2d8 (diff) | |
download | barebox-b36cc0f88452a1c4fba64559b15bbb87c6bd4f8a.tar.gz barebox-b36cc0f88452a1c4fba64559b15bbb87c6bd4f8a.tar.xz |
memory: return error in barebox_add_memory_bank
When a memory bank is already registered, return an error code
instead of throwing a bug. This can happen if a board has registered
a memory bank and the same bank is then probed from the devicetree.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common')
-rw-r--r-- | common/memory.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/common/memory.c b/common/memory.c index 7174f14bac..267400229a 100644 --- a/common/memory.c +++ b/common/memory.c @@ -113,15 +113,15 @@ void *sbrk(ptrdiff_t increment) LIST_HEAD(memory_banks); -void barebox_add_memory_bank(const char *name, resource_size_t start, +int barebox_add_memory_bank(const char *name, resource_size_t start, resource_size_t size) { struct memory_bank *bank = xzalloc(sizeof(*bank)); struct device_d *dev; bank->res = request_iomem_region(name, start, start + size - 1); - - BUG_ON(!bank->res); + if (!bank->res) + return -EBUSY; dev = add_mem_device(name, start, size, IORESOURCE_MEM_WRITEABLE); @@ -130,6 +130,8 @@ void barebox_add_memory_bank(const char *name, resource_size_t start, bank->size = size; list_add_tail(&bank->list, &memory_banks); + + return 0; } /* |