[PATCH] Remove redundant NULL checks before [kv]free - in drivers/ Remove redundant NULL chck before kfree + tiny CodingStyle cleanup for drivers/ Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c index cfa7922..d73be4c 100644 --- a/drivers/char/agp/sgi-agp.c +++ b/drivers/char/agp/sgi-agp.c
@@ -329,9 +329,8 @@ static void __devexit agp_sgi_cleanup(void) { - if (sgi_tioca_agp_bridges) - kfree(sgi_tioca_agp_bridges); - sgi_tioca_agp_bridges=NULL; + kfree(sgi_tioca_agp_bridges); + sgi_tioca_agp_bridges = NULL; } module_init(agp_sgi_init);
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index 8d97b39..afa26b6 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c
@@ -1320,11 +1320,12 @@ static int hvcs_alloc_index_list(int n) { int i; + hvcs_index_list = kmalloc(n * sizeof(hvcs_index_count),GFP_KERNEL); if (!hvcs_index_list) return -ENOMEM; hvcs_index_count = n; - for(i = 0; i < hvcs_index_count; i++) + for (i = 0; i < hvcs_index_count; i++) hvcs_index_list[i] = -1; return 0; } @@ -1332,11 +1333,9 @@ static void hvcs_free_index_list(void) { /* Paranoia check to be thorough. */ - if (hvcs_index_list) { - kfree(hvcs_index_list); - hvcs_index_list = NULL; - hvcs_index_count = 0; - } + kfree(hvcs_index_list); + hvcs_index_list = NULL; + hvcs_index_count = 0; } static int __init hvcs_module_init(void)
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index 74714e5..3ff8378 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c
@@ -305,10 +305,8 @@ } out: - if (pp0_array) - kfree(pp0_array); - if (p0_array) - kfree(p0_array); + kfree(pp0_array); + kfree(p0_array); return rc; }
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index af6ec55..85689ab 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c
@@ -1378,8 +1378,7 @@ return 0; out_free_port_info: - if (hba) - kfree(hba); + kfree(hba); out: return error; }
diff --git a/drivers/net/fs_enet/fs_enet-mii.c b/drivers/net/fs_enet/fs_enet-mii.c index c677037..0cd0715 100644 --- a/drivers/net/fs_enet/fs_enet-mii.c +++ b/drivers/net/fs_enet/fs_enet-mii.c
@@ -431,8 +431,7 @@ return bus; err: - if (bus) - kfree(bus); + kfree(bus); return ERR_PTR(ret); }
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 081a899..a8a8f97 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c
@@ -1229,12 +1229,6 @@ return error; } -static void ipw_free_error_log(struct ipw_fw_error *error) -{ - if (error) - kfree(error); -} - static ssize_t show_event_log(struct device *d, struct device_attribute *attr, char *buf) { @@ -1296,10 +1290,9 @@ const char *buf, size_t count) { struct ipw_priv *priv = dev_get_drvdata(d); - if (priv->error) { - ipw_free_error_log(priv->error); - priv->error = NULL; - } + + kfree(priv->error); + priv->error = NULL; return count; } @@ -1970,8 +1963,7 @@ struct ipw_fw_error *error = ipw_alloc_error_log(priv); ipw_dump_error_log(priv, error); - if (error) - ipw_free_error_log(error); + kfree(error); } #endif } else { @@ -11693,10 +11685,8 @@ } } - if (priv->error) { - ipw_free_error_log(priv->error); - priv->error = NULL; - } + kfree(priv->error); + priv->error = NULL; #ifdef CONFIG_IPW2200_PROMISCUOUS ipw_prom_free(priv);
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 93d18a7..2915bca 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c
@@ -222,9 +222,7 @@ && copy_to_user(arg + sizeof(args), argbuf, argsize)) rc = -EFAULT; error: - if (argbuf) - kfree(argbuf); - + kfree(argbuf); return rc; }
diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c index d63c3f4..9ef68cd 100644 --- a/drivers/video/au1100fb.c +++ b/drivers/video/au1100fb.c
@@ -743,8 +743,7 @@ { driver_unregister(&au1100fb_driver); - if (drv_info.opt_mode) - kfree(drv_info.opt_mode); + kfree(drv_info.opt_mode); } module_init(au1100fb_init);