mirror of https://gitee.com/openkylin/linux.git
4a5691c0f7
# reboot ... [ 42.351266] Flash device refused suspend due to active operation (state 0) [ 42.358195] Unable to handle kernel NULL pointer dereference at virtual address 00000078 [ 42.360060] pgd = c7d9c000 [ 42.362769] [00000078] *pgd=a7d8d031, *pte=00000000, *ppte=00000000 [ 42.372902] Internal error: Oops: 17 [#1] [ 42.376911] Modules linked in: [ 42.379980] CPU: 0 Not tainted (2.6.25-rc2-10642-ge8f2594-dirty #73) [ 42.380000] PC is at physmap_flash_shutdown+0x28/0x54 ... [ 42.380000] Backtrace: [ 42.380000] [<c0130c1c>] (physmap_flash_shutdown+0x0/0x54) from [<c01207c0>] (platform_drv_shutdown+0x20/0x24) [ 42.380000] r5:28121969 r4:c0229e08 [ 42.380000] [<c01207a0>] (platform_drv_shutdown+0x0/0x24) from [<c011cd40>] (device_shutdown+0x60/0x88) [ 42.380000] [<c011cce0>] (device_shutdown+0x0/0x88) from [<c003e8a4>] (kernel_restart_prepare+0x2c/0x3c) [ 42.380000] r4:00000000 [ 42.380000] [<c003e878>] (kernel_restart_prepare+0x0/0x3c) from [<c003ea00>] (kernel_restart+0x14/0x48) [ 42.380000] [<c003e9ec>] (kernel_restart+0x0/0x48) from [<c003fdc0>] (sys_reboot+0xe8/0x1f8) [ 42.380000] r4:01234567 [ 42.380000] [<c003fcd8>] (sys_reboot+0x0/0x1f8) from [<c001aa00>] (ret_fast_syscall+0x0/0x2c) [ 42.380000] r7:00000058 r6:00000004 r5:00000001 r4:00000000 [ 42.380000] Code: 0a000009 e7953004 e1a00003 e1a0e00f (e593f078) [ 42.650051] ---[ end trace 6d6c26a0fc3141de ]--- Segmentation fault INIT: no more processes left in this runlevel While looping for mtd[i]s, we should stop at the mtd[i] == NULL. This patch also removes unnecessary "if (info)" checks: suspend/resume/shutdown ops are executed only if probe() is succeeded, so info is guaranteed to be !NULL. Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com> Cc: David Brownell <david-b@pacbell.net> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| alchemy-flash.c | ||
| amd76xrom.c | ||
| autcpu12-nvram.c | ||
| bast-flash.c | ||
| cdb89712.c | ||
| ceiva.c | ||
| cfi_flagadm.c | ||
| ck804xrom.c | ||
| dbox2-flash.c | ||
| dc21285.c | ||
| dilnetpc.c | ||
| dmv182.c | ||
| ebony.c | ||
| edb7312.c | ||
| esb2rom.c | ||
| fortunet.c | ||
| h720x-flash.c | ||
| ichxrom.c | ||
| impa7.c | ||
| integrator-flash.c | ||
| intel_vr_nor.c | ||
| ipaq-flash.c | ||
| ixp4xx.c | ||
| ixp2000.c | ||
| l440gx.c | ||
| map_funcs.c | ||
| mbx860.c | ||
| mpc1211.c | ||
| mtx-1_flash.c | ||
| netsc520.c | ||
| nettel.c | ||
| ocotea.c | ||
| octagon-5066.c | ||
| omap-toto-flash.c | ||
| omap_nor.c | ||
| pci.c | ||
| pcmciamtd.c | ||
| physmap.c | ||
| physmap_of.c | ||
| plat-ram.c | ||
| pmcmsp-flash.c | ||
| pmcmsp-ramroot.c | ||
| pxa2xx-flash.c | ||
| redwood.c | ||
| rpxlite.c | ||
| sa1100-flash.c | ||
| sbc8240.c | ||
| sbc_gxx.c | ||
| sc520cdp.c | ||
| scb2_flash.c | ||
| scx200_docflash.c | ||
| sharpsl-flash.c | ||
| solutionengine.c | ||
| sun_uflash.c | ||
| tqm8xxl.c | ||
| ts5500_flash.c | ||
| tsunami_flash.c | ||
| uclinux.c | ||
| vmax301.c | ||
| walnut.c | ||
| wr_sbc82xx_flash.c | ||