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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-13 08:17:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-13 08:17:41 -0800 |
| commit | 51eb9ab91abc9c384118b1d947e4b99cc2bc5fc5 (patch) | |
| tree | c34c42989947ef97adb669fb36153951ea2e2f86 /drivers/ata/libata-sff.c | |
| parent | 288e4877f94a3b144aadc206e7796921d02432c1 (diff) | |
| parent | 4a99d95fa836e254d17910e52663ba2be7b880e7 (diff) | |
| download | linux-next-51eb9ab91abc9c384118b1d947e4b99cc2bc5fc5.tar.gz | |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
pata_it821x: Update RDC UDMA handling
ata: fix wrong WARN_ON_ONCE
Diffstat (limited to 'drivers/ata/libata-sff.c')
| -rw-r--r-- | drivers/ata/libata-sff.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 0eae9b453556..5a4aad123c42 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1013,9 +1013,12 @@ next_sg: qc->cursg_ofs = 0; } - /* consumed can be larger than count only for the last transfer */ - WARN_ON_ONCE(qc->cursg && count != consumed); - + /* + * There used to be a WARN_ON_ONCE(qc->cursg && count != consumed); + * Unfortunately __atapi_pio_bytes doesn't know enough to do the WARN + * check correctly as it doesn't know if it is the last request being + * made. Somebody should implement a proper sanity check. + */ if (bytes) goto next_sg; return 0; |