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| author | Dan Williams <dan.j.williams@intel.com> | 2012-03-10 23:28:46 -0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-04-12 15:57:51 -0400 |
| commit | 85d6725b7c0d7e3fa4261fdd4c020be4224fc9f1 (patch) | |
| tree | 359e39a0982124c9f630ff3928aaf6f75d8b7dd3 /drivers/ata/libata.h | |
| parent | 99b80e97710ae2e53c951acfdd956e9f38e36646 (diff) | |
| download | linux-85d6725b7c0d7e3fa4261fdd4c020be4224fc9f1.tar.gz linux-85d6725b7c0d7e3fa4261fdd4c020be4224fc9f1.tar.bz2 linux-85d6725b7c0d7e3fa4261fdd4c020be4224fc9f1.zip | |
libata: make ata_print_id atomic
This variable is incremented from multiple contexts (module_init via
libata-lldds and the libsas discovery thread). Make it atomic to head
off any chance of libsas and libata creating duplicate ids.
Acked-by: Jacek Danecki <jacek.danecki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata.h')
| -rw-r--r-- | drivers/ata/libata.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 2e26fcaf635b..9d0fd0b71852 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -53,7 +53,7 @@ enum { ATA_DNXFER_QUIET = (1 << 31), }; -extern unsigned int ata_print_id; +extern atomic_t ata_print_id; extern int atapi_passthru16; extern int libata_fua; extern int libata_noacpi; |