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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8fed436841
During host driver module removal del_gendisk() results in a final put on drive->gendev and freeing the drive by drive_release_dev(). Convert device drivers from using struct kref to use struct device so device driver's object holds reference on ->gendev and prevents drive from prematurely going away. Also fix ->remove methods to not erroneously drop reference on a host driver by using only put_device() instead of ide*_put(). Reported-by: Stanislaw Gruszka <stf_xl@wp.pl> Tested-by: Stanislaw Gruszka <stf_xl@wp.pl> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
45 lines
996 B
C
45 lines
996 B
C
#ifndef __IDE_GD_H
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#define __IDE_GD_H
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#define DRV_NAME "ide-gd"
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#define PFX DRV_NAME ": "
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/* define to see debug info */
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#define IDE_GD_DEBUG_LOG 0
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#if IDE_GD_DEBUG_LOG
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#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args)
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#else
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#define ide_debug_log(lvl, fmt, args...) do {} while (0)
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#endif
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struct ide_disk_obj {
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ide_drive_t *drive;
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struct ide_driver *driver;
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struct gendisk *disk;
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struct device dev;
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unsigned int openers; /* protected by BKL for now */
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/* Last failed packet command */
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struct ide_atapi_pc *failed_pc;
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/* used for blk_{fs,pc}_request() requests */
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struct ide_atapi_pc queued_pc;
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/* Last error information */
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u8 sense_key, asc, ascq;
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int progress_indication;
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/* Device information */
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/* Current format */
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int blocks, block_size, bs_factor;
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/* Last format capacity descriptor */
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u8 cap_desc[8];
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/* Copy of the flexible disk page */
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u8 flexible_disk_page[32];
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};
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sector_t ide_gd_capacity(ide_drive_t *);
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#endif /* __IDE_GD_H */
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