From: Benjamin Herrenschmidt <b...@kernel.crashing.org>
When creating a partition, we clear it entirely rather than
just the first two words since the previous code was rather
specific to the pseries log partition format.
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
arch/powerpc/kernel/nvram_64.c | 19 ++++++++++---------
1 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index f753882..02737e6 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -320,7 +320,7 @@ static int __init nvram_create_partition(const char *name,
int sig,
struct nvram_partition *part;
struct nvram_partition *new_part;
struct nvram_partition *free_part = NULL;
- int seq_init[2] = { 0, 0 };
+ static char nv_init_vals[16];
loff_t tmp_index;
long size = 0;
int rc;
@@ -379,14 +379,15 @@ static int __init nvram_create_partition(const char
*name, int sig,
return rc;
}
- /* make sure and initialize to zero the sequence number and the error
- type logged */
- tmp_index = new_part->index + NVRAM_HEADER_LEN;
- rc = ppc_md.nvram_write((char *)&seq_init, sizeof(seq_init),
&tmp_index);
- if (rc <= 0) {
- printk(KERN_ERR "nvram_create_os_partition: nvram_write "
- "failed (%d)\n", rc);
- return rc;
+ /* Clear the partition */
+ for (tmp_index = new_part->index + NVRAM_HEADER_LEN;
+ tmp_index < ((size - 1) * NVRAM_BLOCK_LEN);
+ tmp_index += NVRAM_BLOCK_LEN) {
+ rc = ppc_md.nvram_write(nv_init_vals, NVRAM_BLOCK_LEN,
&tmp_index);
+ if (rc <= 0) {
+ pr_err("nvram_create_partition: nvram_write failed
(%d)\n", rc);
+ return rc;
+ }
}
nvram_error_log_index = new_part->index + NVRAM_HEADER_LEN;
--
1.7.1
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