[S390] cio: fix wrong buffer access in cio_ignore_write

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Writing only spaces to /proc/cio_ignore will cause a buffer overflow
since the size_t value i will not become negative and so buf[-1UL] is
accessed. Change the value of i to ssize_t.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Sebastian Ott 2009-03-26 15:24:16 +01:00 • committed by Martin Schwidefsky

parent e909074bb9

commit 94cbc203be

1 changed files with 1 additions and 2 deletions

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3

drivers/s390/cio/blacklist.c

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