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authorFrederic Weisbecker <fweisbec@gmail.com>2010-03-30 04:33:36 +0400
committerFrederic Weisbecker <fweisbec@gmail.com>2010-04-09 19:23:24 +0400
commit73296bc611cee009f3be6b451e827d1425b9c10f (patch)
tree553af58153a05e6a6cc43d4dbcf5acdf6fc3f4c8 /Makefile
parent41775e29a74ed825496c975ba19c7661e15f0523 (diff)
downloadlinux-73296bc611cee009f3be6b451e827d1425b9c10f.tar.xz
procfs: Use generic_file_llseek in /proc/vmcore
/proc/vmcore has no llseek and then falls down to use default_llseek. This is racy against read_vmcore() that directly manipulates fpos but it doesn't hold the bkl there so using it in llseek doesn't protect anything. Let's use generic_file_llseek() instead. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: John Kacur <jkacur@redhat.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Al Viro <viro@ZenIV.linux.org.uk>
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