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disk/scsi: fix use after free

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Found by: Coverity scan.
CID: 96713
This commit is contained in:
Andrei Borzenkov 2015-06-20 23:38:18 +03:00
parent c069460259
commit cd816bd236
1 changed files with 3 additions and 2 deletions
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5
grub-core/disk/scsi.c
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@ -615,9 +615,10 @@ grub_scsi_open (const char *name, grub_disk_t disk)
if (scsi->blocksize & (scsi->blocksize - 1) || !scsi->blocksize) if (scsi->blocksize & (scsi->blocksize - 1) || !scsi->blocksize)
{ {
grub_error (GRUB_ERR_IO, "invalid sector size %d",
scsi->blocksize);
grub_free (scsi); grub_free (scsi);
return grub_error (GRUB_ERR_IO, "invalid sector size %d", return grub_errno;
scsi->blocksize);
} }
for (disk->log_sector_size = 0; for (disk->log_sector_size = 0;
(1U << disk->log_sector_size) < scsi->blocksize; (1U << disk->log_sector_size) < scsi->blocksize;