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From: Bryan Wu <bryan.wu@analog.com>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Cc: Bryan Wu <bryan.wu@analog.com>
Subject: [PATCH 2/7] blackfin arch: fix bug refuse to boot if rootfs image is not attached when MTD_UCLINUX is selected
Date: Sun, 29 Apr 2007 11:23:08 +0800	[thread overview]
Message-ID: <11778169952824-git-send-email-bryan.wu@analog.com> (raw)
In-Reply-To: <11778169933996-git-send-email-bryan.wu@analog.com>

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---
 arch/blackfin/kernel/setup.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 76e1f10..6a2190f 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -293,6 +293,11 @@ void __init setup_arch(char **cmdline_p)
 
 	memory_end -= mtd_size;
 
+	if (mtd_size == 0) {
+		console_init();
+		panic("Don't boot kernel without rootfs attached.\n");
+	}
+
 	/* Relocate MTD image to the top of memory after the uncached memory area */
 	dma_memcpy((char *)memory_end, __bss_stop, mtd_size);
 
-- 
1.5.1.2

  parent reply	other threads:[~2007-04-29  3:22 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-29  3:23 [PATCH 0/7] blackfin arch and driver patches update against 2.6.21-rc7-mm2 Bryan Wu
2007-04-29  3:23 ` [PATCH 1/7] blackfin arch: fix coding style in ints-priority-sc C file Bryan Wu
2007-04-29  3:23 ` Bryan Wu [this message]
2007-04-29  3:23 ` [PATCH 3/7] blackfin arch: move revid function into global headers as inline functions Bryan Wu
2007-04-29  3:23 ` [PATCH 4/7] blackfin arch: need linux/tty.h header for console_init() prototype Bryan Wu
2007-04-29  3:23 ` [PATCH 5/7] blackfin arch: convert most blackfin specific spi register settings to common spi framework settings Bryan Wu
2007-04-29  3:23 ` [PATCH 6/7] blackfin serial core driver: UART1 should depend on BF534/BF536/BF537, remove experimental marking from on-chip serial core driver and make options less wordy Bryan Wu
2007-04-29  3:23 ` [PATCH 7/7] blackfin spi controller driver: update according to David Brownell's review Bryan Wu

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