diff options
Diffstat (limited to 'fs/pstore/platform.c')
| -rw-r--r-- | fs/pstore/platform.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index f56b066ab80c..557cf9d40177 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -92,8 +92,8 @@ module_param(compress, charp, 0444); MODULE_PARM_DESC(compress, "compression to use"); /* How much of the kernel log to snapshot */ -unsigned long kmsg_bytes = CONFIG_PSTORE_DEFAULT_KMSG_BYTES; -module_param(kmsg_bytes, ulong, 0444); +unsigned int kmsg_bytes = CONFIG_PSTORE_DEFAULT_KMSG_BYTES; +module_param(kmsg_bytes, uint, 0444); MODULE_PARM_DESC(kmsg_bytes, "amount of kernel log to snapshot (in bytes)"); static void *compress_workspace; @@ -107,9 +107,9 @@ static void *compress_workspace; static char *big_oops_buf; static size_t max_compressed_size; -void pstore_set_kmsg_bytes(int bytes) +void pstore_set_kmsg_bytes(unsigned int bytes) { - kmsg_bytes = bytes; + WRITE_ONCE(kmsg_bytes, bytes); } /* Tag each group of saved records with a sequence number */ @@ -278,6 +278,7 @@ static void pstore_dump(struct kmsg_dumper *dumper, struct kmsg_dump_detail *detail) { struct kmsg_dump_iter iter; + unsigned int remaining = READ_ONCE(kmsg_bytes); unsigned long total = 0; const char *why; unsigned int part = 1; @@ -300,7 +301,7 @@ static void pstore_dump(struct kmsg_dumper *dumper, kmsg_dump_rewind(&iter); oopscount++; - while (total < kmsg_bytes) { + while (total < remaining) { char *dst; size_t dst_size; int header_size; |