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ibft: Kernel oops when rmmoding iscsi_ibft with no iBFT present.

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We failed to check to see if actually allocated structures
to contain the iBFT structure and went ahead to dereference it.

This patch fixes the OOPS.

Reported-by:  "Jayamohan Kalickal" <jayamohank@serverengines.com>  
Tested-by: "Jayamohan Kalickal" <jayamohank@serverengines.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
Signed-off-by: Peter Jones <pjones@redhat.com>
This commit is contained in:
Konrad Rzeszutek Wilk 2010-08-11 16:35:40 -04:00
parent 5abd9ccced
commit a12415ff58
1 changed files with 4 additions and 2 deletions
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6
drivers/firmware/iscsi_ibft.c
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@ -727,8 +727,10 @@ static void ibft_unregister(void)
static void ibft_cleanup(void)
{
ibft_unregister();
iscsi_boot_destroy_kset(boot_kset);
if (boot_kset) {
ibft_unregister();
iscsi_boot_destroy_kset(boot_kset);
}
}
static void __exit ibft_exit(void)