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| author | Gerald Schaefer <gerald.schaefer@linux.ibm.com> | 2023-08-21 15:57:39 +0200 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-08-30 11:03:26 +0200 |
| commit | 67ce50ce01d8abfa36612bcef9ec56e37b9fc247 (patch) | |
| tree | 371b080873801547ca340f646f87149d971c0908 | |
| parent | e5b7ca09e9aa4d483ab84c5f2ba88f0cc7c66540 (diff) | |
s390/monreader: fix virtual vs physical address confusion
Fix virtual vs physical address confusion (which currently are the same).
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
| -rw-r--r-- | drivers/s390/char/monreader.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c index 9fa92e45e0ee..7207a7f5842a 100644 --- a/drivers/s390/char/monreader.c +++ b/drivers/s390/char/monreader.c @@ -111,7 +111,7 @@ static inline unsigned long mon_mca_end(struct mon_msg *monmsg) static inline u8 mon_mca_type(struct mon_msg *monmsg, u8 index) { - return *((u8 *) mon_mca_start(monmsg) + monmsg->mca_offset + index); + return *((u8 *)__va(mon_mca_start(monmsg)) + monmsg->mca_offset + index); } static inline u32 mon_mca_size(struct mon_msg *monmsg) @@ -121,12 +121,12 @@ static inline u32 mon_mca_size(struct mon_msg *monmsg) static inline u32 mon_rec_start(struct mon_msg *monmsg) { - return *((u32 *) (mon_mca_start(monmsg) + monmsg->mca_offset + 4)); + return *((u32 *)(__va(mon_mca_start(monmsg)) + monmsg->mca_offset + 4)); } static inline u32 mon_rec_end(struct mon_msg *monmsg) { - return *((u32 *) (mon_mca_start(monmsg) + monmsg->mca_offset + 8)); + return *((u32 *)(__va(mon_mca_start(monmsg)) + monmsg->mca_offset + 8)); } static int mon_check_mca(struct mon_msg *monmsg) @@ -392,8 +392,7 @@ static ssize_t mon_read(struct file *filp, char __user *data, mce_start = mon_mca_start(monmsg) + monmsg->mca_offset; if ((monmsg->pos >= mce_start) && (monmsg->pos < mce_start + 12)) { count = min(count, (size_t) mce_start + 12 - monmsg->pos); - ret = copy_to_user(data, (void *) (unsigned long) monmsg->pos, - count); + ret = copy_to_user(data, __va(monmsg->pos), count); if (ret) return -EFAULT; monmsg->pos += count; @@ -406,8 +405,7 @@ static ssize_t mon_read(struct file *filp, char __user *data, if (monmsg->pos <= mon_rec_end(monmsg)) { count = min(count, (size_t) mon_rec_end(monmsg) - monmsg->pos + 1); - ret = copy_to_user(data, (void *) (unsigned long) monmsg->pos, - count); + ret = copy_to_user(data, __va(monmsg->pos), count); if (ret) return -EFAULT; monmsg->pos += count; |