diff options
Diffstat (limited to 'fs/pstore/ram_core.c')
| -rw-r--r-- | fs/pstore/ram_core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c index e6375439c5ac..c11711c2cc83 100644 --- a/fs/pstore/ram_core.c +++ b/fs/pstore/ram_core.c @@ -511,6 +511,11 @@ static int persistent_ram_post_init(struct persistent_ram_zone *prz, u32 sig, sig ^= PERSISTENT_RAM_SIG; if (prz->buffer->sig == sig) { + if (buffer_size(prz) == 0) { + pr_debug("found existing empty buffer\n"); + return 0; + } + if (buffer_size(prz) > prz->buffer_size || buffer_start(prz) > buffer_size(prz)) { pr_info("found existing invalid buffer, size %zu, start %zu\n", |