From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 24 Sep 2016 09:39:03 +0200
* A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "kmalloc_array".
This issue was detected by using the Coccinelle software.
* Replace the specification of a data structure by a pointer dereference
to make the corresponding size determination a bit safer according to
the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/ide/ide-probe.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 0b63fac..645a67b 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -973,8 +973,9 @@ static int hwif_init(ide_hwif_t *hwif)
if (!hwif->sg_max_nents)
hwif->sg_max_nents = PRD_ENTRIES;
- hwif->sg_table = kmalloc(sizeof(struct scatterlist)*hwif->sg_max_nents,
- GFP_KERNEL);
+ hwif->sg_table = kmalloc_array(hwif->sg_max_nents,
+ sizeof(*hwif->sg_table),
+ GFP_KERNEL);
if (!hwif->sg_table) {
printk(KERN_ERR "%s: unable to allocate SG table.\n", hwif->name);
goto out;
--
2.10.0
--
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