Re: [PATCH] fb_mmap() holding BKL

From: Jeff Garzik (jgarzik@mandrakesoft.com)
Date: Wed Nov 14 2001 - 18:32:30 EST


Paul Mundt wrote:
> Just a minor cleanup.. in the event of some sanity checking in fb_mmap(), the
> BKL is accidentally held on a return.. this trivial patch fixes this issue.

No idea why your patch didn't apply here, but it didn't.

Attached is the same fix patch, rediff'd against 2.4.15-pre4.

        Jeff

-- 
Jeff Garzik      | Only so many songs can be sung
Building 1024    | with two lips, two lungs, and one tongue.
MandrakeSoft     |         - nomeansno

Index: drivers/video/fbmem.c =================================================================== RCS file: /cvsroot/gkernel/linux_2_4/drivers/video/fbmem.c,v retrieving revision 1.4 diff -u -r1.4 fbmem.c --- drivers/video/fbmem.c 2001/10/11 09:39:14 1.4 +++ drivers/video/fbmem.c 2001/11/14 23:31:44 @@ -563,8 +563,10 @@ /* memory mapped io */ off -= len; fb->fb_get_var(&var, PROC_CONSOLE(info), info); - if (var.accel_flags) + if (var.accel_flags) { + unlock_kernel(); return -EINVAL; + } start = fix.mmio_start; len = PAGE_ALIGN((start & ~PAGE_MASK)+fix.mmio_len); }

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This archive was generated by hypermail 2b29 : Thu Nov 15 2001 - 21:00:40 EST