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authorDan Carpenter <dan.carpenter@oracle.com>2017-04-15 20:55:52 +0200
committerJens Axboe <axboe@fb.com>2017-04-16 10:06:34 -0600
commit2a79efd833dd51c4362af655b9b011393c423f18 (patch)
treec128e8f600befd4da6cf05b3eb3212275aa08821
parent503ec94eca4f49c0a18d67bb60445fe998a601ae (diff)
downloadop-kernel-dev-2a79efd833dd51c4362af655b9b011393c423f18.zip
op-kernel-dev-2a79efd833dd51c4362af655b9b011393c423f18.tar.gz
lightnvm: fix some WARN() messages
WARN_ON() takes a condition, not an error message. I slightly tweaked some conditions so hopefully it's more clear. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Matias Bjørling <matias@cnexlabs.com> Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--drivers/lightnvm/pblk-read.c12
-rw-r--r--drivers/lightnvm/pblk-recovery.c2
-rw-r--r--drivers/lightnvm/pblk-write.c2
3 files changed, 8 insertions, 8 deletions
diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c
index eff0982..bce7ed5 100644
--- a/drivers/lightnvm/pblk-read.c
+++ b/drivers/lightnvm/pblk-read.c
@@ -49,8 +49,8 @@ static void pblk_read_ppalist_rq(struct pblk *pblk, struct nvm_rq *rqd,
int i, j = 0;
/* logic error: lba out-of-bounds. Ignore read request */
- if (!(blba + nr_secs < pblk->rl.nr_secs)) {
- WARN_ON("pblk: read lbas out of bounds\n");
+ if (blba + nr_secs >= pblk->rl.nr_secs) {
+ WARN(1, "pblk: read lbas out of bounds\n");
return;
}
@@ -254,8 +254,8 @@ static void pblk_read_rq(struct pblk *pblk, struct nvm_rq *rqd,
sector_t lba = pblk_get_lba(bio);
/* logic error: lba out-of-bounds. Ignore read request */
- if (!(lba < pblk->rl.nr_secs)) {
- WARN_ON("pblk: read lba out of bounds\n");
+ if (lba >= pblk->rl.nr_secs) {
+ WARN(1, "pblk: read lba out of bounds\n");
return;
}
@@ -411,8 +411,8 @@ static int read_rq_gc(struct pblk *pblk, struct nvm_rq *rqd,
int valid_secs = 0;
/* logic error: lba out-of-bounds */
- if (!(lba < pblk->rl.nr_secs)) {
- WARN_ON("pblk: read lba out of bounds\n");
+ if (lba >= pblk->rl.nr_secs) {
+ WARN(1, "pblk: read lba out of bounds\n");
goto out;
}
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index 0d50f41..f8f8508 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -167,7 +167,7 @@ static int pblk_recov_l2p_from_emeta(struct pblk *pblk, struct pblk_line *line)
if (le64_to_cpu(lba_list[i]) == ADDR_EMPTY) {
spin_lock(&line->lock);
if (test_and_set_bit(i, line->invalid_bitmap))
- WARN_ON_ONCE("pblk: rec. double invalidate:\n");
+ WARN_ONCE(1, "pblk: rec. double invalidate:\n");
else
line->vsc--;
spin_unlock(&line->lock);
diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c
index ee57db9..74f7413 100644
--- a/drivers/lightnvm/pblk-write.c
+++ b/drivers/lightnvm/pblk-write.c
@@ -141,7 +141,7 @@ static void pblk_end_w_fail(struct pblk *pblk, struct nvm_rq *rqd)
/* Logic error */
if (bit > c_ctx->nr_valid) {
- WARN_ON_ONCE("pblk: corrupted write request\n");
+ WARN_ONCE(1, "pblk: corrupted write request\n");
goto out;
}
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