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| /openbmc/linux/arch/powerpc/platforms/cell/spufs/ |
| H A D | file.c | cbea9238 Thu Dec 20 01:39:59 CST 2007 Jeremy Kerr <jk@ozlabs.org> [POWERPC] spufs: Don't leak kernel stack through an empty {i,m}box_info read
Based on an original patch from Arnd Bergmann
<arnd.bergmann@de.ibm.com>
If there's no entry in the mailbox, then a read on the _info file will
return data from an uninitialised variable.
This change returns EOF if there's no mailbox info available instead.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
cbea9238 Thu Dec 20 01:39:59 CST 2007 Jeremy Kerr <jk@ozlabs.org> [POWERPC] spufs: Don't leak kernel stack through an empty {i,m}box_info read
Based on an original patch from Arnd Bergmann
<arnd.bergmann@de.ibm.com>
If there's no entry in the mailbox, then a read on the _info file will
return data from an uninitialised variable.
This change returns EOF if there's no mailbox info available instead.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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