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ahci: Error out with message on malloc() failure

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If malloc() fails, we don't want to continue in ahci_init() and
ahci_init_one(). Also print a more informative error message on
malloc() failures.

CC: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
This commit is contained in:
Roger Quadros 2013-11-11 16:56:37 +02:00 committed by Tom Rini
parent 54d022e76c
commit d73763a4fb
1 changed files with 14 additions and 2 deletions
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16
drivers/block/ahci.c
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@ -379,6 +379,11 @@ static int ahci_init_one(pci_dev_t pdev)
int rc;
probe_ent = malloc(sizeof(struct ahci_probe_ent));
if (!probe_ent) {
printf("%s: No memory for probe_ent\n", __func__);
return -ENOMEM;
}
memset(probe_ent, 0, sizeof(struct ahci_probe_ent));
probe_ent->dev = pdev;
@ -503,7 +508,7 @@ static int ahci_port_start(u8 port)
mem = (u32) malloc(AHCI_PORT_PRIV_DMA_SZ + 2048);
if (!mem) {
free(pp);
printf("No mem for table!\n");
printf("%s: No mem for table!\n", __func__);
return -ENOMEM;
}
@ -638,8 +643,10 @@ static int ata_scsiop_inquiry(ccb *pccb)
/* Read id from sata */
port = pccb->target;
tmpid = malloc(ATA_ID_WORDS * 2);
if (!tmpid)
if (!tmpid) {
printf("%s: No memory for tmpid\n", __func__);
return -ENOMEM;
}
if (ahci_device_data_io(port, (u8 *) &fis, sizeof(fis), (u8 *)tmpid,
ATA_ID_WORDS * 2, 0)) {
@ -889,6 +896,11 @@ int ahci_init(u32 base)
u32 linkmap;
probe_ent = malloc(sizeof(struct ahci_probe_ent));
if (!probe_ent) {
printf("%s: No memory for probe_ent\n", __func__);
return -ENOMEM;
}
memset(probe_ent, 0, sizeof(struct ahci_probe_ent));
probe_ent->host_flags = ATA_FLAG_SATA