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authorLinus Torvalds <torvalds@linux-foundation.org>2025-10-03 19:17:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-10-03 19:17:48 -0700
commit674b0ddb7586a192612442c3aed9cf523faeed7a (patch)
tree6df34d51ef13d0109a23472f1cc01849d83d16aa /drivers/scsi/pm8001/pm8001_ctl.c
parent7dbec0bbc3b468310be172f1ce6ddc9411c84952 (diff)
parentfb641516a6687801fddc25e889bee9ab46e133d7 (diff)
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley: "Usual driver updates (ufs, mpi3mr, lpfc, pm80xx, mpt3sas) plus assorted cleanups and fixes. The only core update is to sd.c and is mostly cosmetic" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (105 commits) scsi: MAINTAINERS: Update FC element owners scsi: mpt3sas: Update driver version to 54.100.00.00 scsi: mpt3sas: Add support for 22.5 Gbps SAS link rate scsi: mpt3sas: Suppress unnecessary IOCLogInfo on CONFIG_INVALID_PAGE scsi: mpt3sas: Fix crash in transport port remove by using ioc_info() scsi: ufs: ufs-qcom: Add support for limiting HS gear and rate scsi: ufs: pltfrm: Add DT support to limit HS gear and gear rate scsi: ufs: ufs-qcom: Remove redundant re-assignment to hs_rate scsi: ufs: dt-bindings: Document gear and rate limit properties scsi: ufs: core: Fix data race in CPU latency PM QoS request handling scsi: libfc: Fix potential buffer overflow in fc_ct_ms_fill() scsi: storvsc: Remove redundant ternary operators scsi: ufs: core: Change MCQ interrupt enable flow scsi: smartpqi: Replace kmalloc() + copy_from_user() with memdup_user() scsi: hpsa: Replace kmalloc() + copy_from_user() with memdup_user() scsi: hpsa: Fix potential memory leak in hpsa_big_passthru_ioctl() scsi: lpfc: Copyright updates for 14.4.0.11 patches scsi: lpfc: Update lpfc version to 14.4.0.11 scsi: lpfc: Convert debugfs directory counts from atomic to unsigned int scsi: lpfc: Clean up extraneous phba dentries ...
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_ctl.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_ctl.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index 7618f9cc9986..cbfda8c04e95 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -534,23 +534,25 @@ static ssize_t pm8001_ctl_iop_log_show(struct device *cdev,
char *str = buf;
u32 read_size =
pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size / 1024;
- static u32 start, end, count;
u32 max_read_times = 32;
u32 max_count = (read_size * 1024) / (max_read_times * 4);
u32 *temp = (u32 *)pm8001_ha->memoryMap.region[IOP].virt_ptr;
- if ((count % max_count) == 0) {
- start = 0;
- end = max_read_times;
- count = 0;
+ mutex_lock(&pm8001_ha->iop_log_lock);
+
+ if ((pm8001_ha->iop_log_count % max_count) == 0) {
+ pm8001_ha->iop_log_start = 0;
+ pm8001_ha->iop_log_end = max_read_times;
+ pm8001_ha->iop_log_count = 0;
} else {
- start = end;
- end = end + max_read_times;
+ pm8001_ha->iop_log_start = pm8001_ha->iop_log_end;
+ pm8001_ha->iop_log_end = pm8001_ha->iop_log_end + max_read_times;
}
- for (; start < end; start++)
- str += sprintf(str, "%08x ", *(temp+start));
- count++;
+ for (; pm8001_ha->iop_log_start < pm8001_ha->iop_log_end; pm8001_ha->iop_log_start++)
+ str += sprintf(str, "%08x ", *(temp+pm8001_ha->iop_log_start));
+ pm8001_ha->iop_log_count++;
+ mutex_unlock(&pm8001_ha->iop_log_lock);
return str - buf;
}
static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL);
@@ -680,7 +682,7 @@ static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha)
struct pm8001_ioctl_payload *payload;
DECLARE_COMPLETION_ONSTACK(completion);
u8 *ioctlbuffer;
- u32 ret;
+ int ret;
u32 length = 1024 * 5 + sizeof(*payload) - 1;
if (pm8001_ha->fw_image->size > 4096) {