Message ID | 20200909185855.151964-1-alex.dewar90@gmail.com |
---|---|
State | New |
Headers | show |
Series | scsi: aic7xxx: Use kmemdup in two places | expand |
Alex, > kmemdup can be used instead of kmalloc+memcpy. Replace two occurrences > of this pattern. > > Issue identified with Coccinelle. Applied to 5.10/scsi-staging, thanks! -- Martin K. Petersen Oracle Linux Engineering
On Wed, 9 Sep 2020 19:58:55 +0100, Alex Dewar wrote: > kmemdup can be used instead of kmalloc+memcpy. Replace two occurrences > of this pattern. > > Issue identified with Coccinelle. Applied to 5.10/scsi-queue, thanks! [1/1] scsi: aic7xxx: Use kmemdup() in two places https://git.kernel.org/mkp/scsi/c/f97e6e1eabbf -- Martin K. Petersen Oracle Linux Engineering
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c index 1c617c0d5899..98b02e7d38bb 100644 --- a/drivers/scsi/aic7xxx/aic79xx_core.c +++ b/drivers/scsi/aic7xxx/aic79xx_core.c @@ -9402,10 +9402,9 @@ ahd_loadseq(struct ahd_softc *ahd) if (cs_count != 0) { cs_count *= sizeof(struct cs); - ahd->critical_sections = kmalloc(cs_count, GFP_ATOMIC); + ahd->critical_sections = kmemdup(cs_table, cs_count, GFP_ATOMIC); if (ahd->critical_sections == NULL) panic("ahd_loadseq: Could not malloc"); - memcpy(ahd->critical_sections, cs_table, cs_count); } ahd_outb(ahd, SEQCTL0, PERRORDIS|FAILDIS|FASTMODE); diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c index 2231c4afa531..725bb7f58054 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_core.c +++ b/drivers/scsi/aic7xxx/aic7xxx_core.c @@ -6879,10 +6879,9 @@ ahc_loadseq(struct ahc_softc *ahc) if (cs_count != 0) { cs_count *= sizeof(struct cs); - ahc->critical_sections = kmalloc(cs_count, GFP_ATOMIC); + ahc->critical_sections = kmemdup(cs_table, cs_count, GFP_ATOMIC); if (ahc->critical_sections == NULL) panic("ahc_loadseq: Could not malloc"); - memcpy(ahc->critical_sections, cs_table, cs_count); } ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS|FASTMODE);
kmemdup can be used instead of kmalloc+memcpy. Replace two occurrences of this pattern. Issue identified with Coccinelle. Signed-off-by: Alex Dewar <alex.dewar90@gmail.com> --- drivers/scsi/aic7xxx/aic79xx_core.c | 3 +-- drivers/scsi/aic7xxx/aic7xxx_core.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-)