diff options
| author | Martin Svec <martin.svec@zoner.cz> | 2014-04-01 16:03:02 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-06 07:59:29 -0700 |
| commit | 1a7bfeb1107d5fd3e537ab38227688be685e2ce8 (patch) | |
| tree | c516cd489fac214c4078b2f9f3aee6e80c2d83cf | |
| parent | d57b778d6769de07e6ba703ff3f2d0f07f01c94a (diff) | |
| download | kernel-common-1a7bfeb1107d5fd3e537ab38227688be685e2ce8.tar.gz kernel-common-1a7bfeb1107d5fd3e537ab38227688be685e2ce8.tar.bz2 kernel-common-1a7bfeb1107d5fd3e537ab38227688be685e2ce8.zip | |
Target/sbc: Initialize COMPARE_AND_WRITE write_sg scatterlist
commit a1e1774c6dfa3a524dd8df51ca95185fe5ef3247 upstream.
When compiled with CONFIG_DEBUG_SG set, uninitialized SGL leads
to BUG() in compare_and_write_callback().
Signed-off-by: Martin Svec <martin.svec@zoner.cz>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/target/target_core_sbc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 77e6531fb0a1..aa064a7bb446 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -425,13 +425,14 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd) goto out; } - write_sg = kzalloc(sizeof(struct scatterlist) * cmd->t_data_nents, + write_sg = kmalloc(sizeof(struct scatterlist) * cmd->t_data_nents, GFP_KERNEL); if (!write_sg) { pr_err("Unable to allocate compare_and_write sg\n"); ret = TCM_OUT_OF_RESOURCES; goto out; } + sg_init_table(write_sg, cmd->t_data_nents); /* * Setup verify and write data payloads from total NumberLBAs. */ |