powerpc/nvram_64: Check nvram_error_log_index in nvram_clear_error_log()

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nvram_clear_error_log() calls ppc_md.nvram_write() even when
nvram_error_log_index is -1 (invalid). The nvram_write() function does
not check for a negative offset.

Check nvram_error_log_index as the other nvram log functions do.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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Thomas Gleixner 2009-10-14 22:54:40 +00:00 • committed by Benjamin Herrenschmidt

parent ae7dd0208f

commit fd62c6c448

1 changed files with 3 additions and 0 deletions

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arch/powerpc/kernel/nvram_64.c

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